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    </annotation>
  </element>
  <element id="usfr-pt_StatementStockholdersEquity" name="StatementStockholdersEquity" abstract="true">
    <annotation>
      <documentation>Statement of Stockholder's Equity</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ShortTermRepaymentsBorrowingsNet" name="ShortTermRepaymentsBorrowingsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of the period balances for short term borrowings.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ShortTermInvestments" name="ShortTermInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Financial instruments or securities with original maturity less than one year.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SellingMarketingExpenses" name="SellingMarketingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Expenses directly related to the marketing or selling of products or services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SellingGeneralAdministrativeExpenses" name="SellingGeneralAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Generally recurring costs associated with normal operations and currently chargeable against revenue including those directly related to the  marketing or selling of products and/or services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SellingExpenses" name="SellingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Expenses directly related to the selling of products or services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SecuredShortTermLongTerm" name="SecuredShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Collateralized debt obligation (debenture).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SecuredLongTerm" name="SecuredLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Portion of collateralized debt obligation (debenture) due beyond one year/operating cycle.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SecuredDebtCurrent" name="SecuredDebtCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Portion of collateralized debt obligation (debenture) due within one year/operating cycle.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SalesRevenueNet" name="SalesRevenueNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Revenues arising from the sale of goods and/or rendering of services in the normal course of business, reduced by sales adjustments, sales returns and allowances, and sales discounts.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SalesRevenueGrossServices" name="SalesRevenueGrossServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Revenues arising from the rendering of services in the normal course of business.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SalesRevenueGrossGoods" name="SalesRevenueGrossGoods" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Revenues arising from the sale of goods in the normal course of business.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SalesRevenueGross" name="SalesRevenueGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Revenues arising from the sale of goods and/or rendering of services in the normal course of business.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SalesReturnsAllowances" name="SalesReturnsAllowances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A reduction of revenue resulting from both the return of goods sold in the normal course of business and discretionary reductions without the return of goods.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SalesReturns" name="SalesReturns" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A reduction of revenue resulting from a return of goods sold in the normal course of business.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SalesDiscounts" name="SalesDiscounts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A sales incentive resulting in the reduction in or refund of the selling price of the product or service.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SalesAllowances" name="SalesAllowances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A discretionary reduction of revenue without a return of goods.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SaleInvestments" name="SaleInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The cash received from the sale of all investments (debt, security, other)</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SaleInterestSubsidiary" name="SaleInterestSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The proceeds from the sale of an interest in a subsidiary.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SaleDebtEquitySecurities" name="SaleDebtEquitySecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash inflows from sales and maturities of available-for-sale securities and held-to-maturity securities shall be classified as cash flows from investing activities and reported gross for each security classification in the statement of cash flows.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_SalariesWages" name="SalariesWages" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Expenditures for salaries other than officers and other than those which can be clearly related to production.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_Salaries" name="Salaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligation of regular compensation received by an employee as a condition of employment.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RoyaltyIncome" name="RoyaltyIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Income received for royalties associated with the use of technologies and intellectual properties.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RoyaltyExpense" name="RoyaltyExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Expenses related to royalties for the use of technologies and intellectual properties.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RevenueAffiliates" name="RevenueAffiliates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Revenues arising from related party transactions.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RetainedEarningsNonappropriated" name="RetainedEarningsNonappropriated" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>A segregation of retained earnings which is available for dividend distribution.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RetainedEarningsEndingBalance" name="RetainedEarningsEndingBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Balance of retained earnings at the end of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RetainedEarningsBeginningBalance" name="RetainedEarningsBeginningBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Balance of retained earnings at the beginning of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RetainedEarningsAppropriated" name="RetainedEarningsAppropriated" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>A segregation of retained earnings which is unavailable for dividend distribution.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RetainedEarnings" name="RetainedEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The undistributed earnings of a entity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RestructuringReserve" name="RestructuringReserve" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Known and estimated obligation to restructure a line of business or portion thereof through an exit plan.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RestructuringChargesChangesBalances" name="RestructuringChargesChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Amount of restructuring expense.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RestructuringCharges" name="RestructuringCharges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Charges resulting from the consolidation and/or relocation of operations, or the disposition or abandonment of operations or productive assets. These charges may be incurred in connection with a business combination, and change in strategic plan, or a managerial response to declines in demand, increasing costs or other environmental factors.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RestrictedCash" name="RestrictedCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cash that is pledged or subject to withdrawal restrictions.  This would also include cash balances which are maintained under an agreement to insure future credit availability, (e.g. compensating balances).  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ResearchDevelopmentExpense" name="ResearchDevelopmentExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Expenses incurred for the research involved in the development of new products and ideas.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RepurchasePreferredStock" name="RepurchasePreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments to repurchase the company's preferred stock.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RepurchasePreferredCommonStock" name="RepurchasePreferredCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments to repurchase the company's preferred and common stock.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RepurchaseCommonStock" name="RepurchaseCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments to repurchase the company's common stock.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RepaymentsShortTermBorrowings" name="RepaymentsShortTermBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Repayments of amounts borrowed and other principal payments to creditors who have extended long-term credit.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RepaymentsOnNotesPayable" name="RepaymentsOnNotesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Repayments on notes payable.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RepaymentsOnLongTermDebt" name="RepaymentsOnLongTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Repayments on long-term borrowing.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RepaymentNotesReceivable" name="RepaymentNotesReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Repayments for loans made by the company.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RepaymentBorrowings" name="RepaymentBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net amount of cash outflow from repayment of borrowings (debt, line of credit, notes payable, etc.)</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RelatedPartyDebtLongTerm" name="RelatedPartyDebtLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Portion of collateralized/uncollateralized debt obligation due from a related party (entity, shareholder, employee) beyond one year/operating cycle. Subordinated debt places a lender in a lien position behind the primary lender of the company. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RelatedPartyDebtCurrent" name="RelatedPartyDebtCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Portion of collateralized/uncollateralized debt obligation due from a related party (entity, shareholder, employee) within one year/operating cycle. Subordinated debt places a lender in a lien position behind the primary lender of the company. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RelatedPartyAccrualShortTermLongTerm" name="RelatedPartyAccrualShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Amounts due to a related party.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ReductionCapitalLeaseObligations" name="ReductionCapitalLeaseObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Reduction of capital lease obligations due to repayment.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RedeemablePreferredStockShareSubscriptions" name="RedeemablePreferredStockShareSubscriptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Amount of redeemable preferred stock allocated to existing shareholders of an entity to buy shares of a new issue of preferred stock before it is offered to the public.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RedeemablePreferredStockSharesOutstanding" name="RedeemablePreferredStockSharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of redeemable preferred shares issued by an entity and held by shareholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RedeemablePreferredStockSharesIssued" name="RedeemablePreferredStockSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Redeemable preferred shares of an entity, authorized in the corporate charter, which have been issued and are outstanding.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RedeemablePreferredStockSharesAuthorized" name="RedeemablePreferredStockSharesAuthorized" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The maximum number of redeemable preferred shares permitted to be issued by an entity's charter and bylaws.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RedeemablePreferredStockParValuePerShare" name="RedeemablePreferredStockParValuePerShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Face amount or stated value of redeemable preferred stock and not the actual value it would receive on the open market.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RedeemablePreferredStockObligations" name="RedeemablePreferredStockObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>An entity's mandatory obligations to redeem preferred stock.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RedeemablePreferredStock" name="RedeemablePreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>An entity's preferred stock that is subject to mandatory redemption requirements that are outside the control of the issuer. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RedeemableCommonStock" name="RedeemableCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>An entity's common stock that is subject to mandatory redemption requirements that are outside the control of the issuer.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ReceivablesNet" name="ReceivablesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Total amount of receivables, less allowances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RealizedGainsLossesOnSaleInvestmentsChangesBalances" name="RealizedGainsLossesOnSaleInvestmentsChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash flows from purchases, sales, and maturities of trading securities shall be classified as cash flows from operating activities. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_RealizedGainsLossesOnSaleInvestments" name="RealizedGainsLossesOnSaleInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The gains and losses included in earning resulting from the sale of debt and equity securities.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchasesSalesTreasuryStockUnderEmployeePlansRetainedEarnings" name="PurchasesSalesTreasuryStockUnderEmployeePlansRetainedEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Effect on Retained Earnings of treasury shares purchased and/or sold under employee plans.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchasesSalesTreasuryStockUnderEmployeePlansParValue" name="PurchasesSalesTreasuryStockUnderEmployeePlansParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Net value of treasury stock that has been purchased and/or sold under employee plans recorded at par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchasesSalesTreasuryStockUnderEmployeePlansNumberShares" name="PurchasesSalesTreasuryStockUnderEmployeePlansNumberShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Net number of treasury shares purchased and/or sold under employee plans.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchasesSalesTreasuryStockUnderEmployeePlans" name="PurchasesSalesTreasuryStockUnderEmployeePlans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Total net value of treasury shares purchased  and/or sold under employee plans.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchasesPaymentsInvestments" name="PurchasesPaymentsInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_PurchaseShortTermInvestmentsNet" name="PurchaseShortTermInvestmentsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash outflows from purchases, sales, and maturities of trading securities shall be classified as cash outflows used in operating activities. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchasePropertyPlantEquipment" name="PurchasePropertyPlantEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments to acquire property, plant and equipment and other productive assets.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchaseOtherInvestments" name="PurchaseOtherInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments to acquire equity instruments of other enterprises (other than certain equity instruments carried in a trading account).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchaseOtherAssets" name="PurchaseOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments to acquire other productive assets.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchaseNotesReceivable" name="PurchaseNotesReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Disbursements for loans made by the company.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchaseMarketableSecurities" name="PurchaseMarketableSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash outflows from purchases of available-for-sale securities and held-to-maturity securities shall be classified as cash flows from investing activities and reported gross for each security classification in the statement of cash flows.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchaseLifeInsurancePolicies" name="PurchaseLifeInsurancePolicies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments to purchase life insurance policies for which the company is the beneficiary.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchaseInvestments" name="PurchaseInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The cash payment from the purchase of all investments (debt, security, other)</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchaseHeldMaturityInvestments" name="PurchaseHeldMaturityInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Purchases of Held-to-Maturity Investments</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchaseConsolidatedSubsidiariesChangesBalances" name="PurchaseConsolidatedSubsidiariesChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from sale of investment in consolidated subsidiaries (generally greater 50%).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchaseConsolidatedSubsidiaries" name="PurchaseConsolidatedSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments for investment in consolidated subsidiaries  (generally greater than 50%).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PurchaseAvailableSaleInvestments" name="PurchaseAvailableSaleInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Purchases of Available for Sale Investments</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProvisionIncomeTaxes" name="ProvisionIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Provision for all current and deferred income taxes.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProvisionDoubtfulAccountsChangesBalances" name="ProvisionDoubtfulAccountsChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Allowance for losses relating to uncollectible accounts receivables.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProvisionDoubtfulAccounts" name="ProvisionDoubtfulAccounts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Bad debt write-offs or provisions for the period.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProvisionDisposalDiscontinuedOperations" name="ProvisionDisposalDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Provision for the disposition of a business segment that has been discontinued at year-end or will be discontinued shortly after year end.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PropertyPlantEquipmentNet" name="PropertyPlantEquipmentNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Tangible assets: 1) Held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and 2) are expected to provide economic benefit for more than 1 year; net of accumulated depreciation.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PropertyPlantEquipmentGross" name="PropertyPlantEquipmentGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Tangible assets: 1) Held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and 2) are expected to provide economic benefit for more than 1 year.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsSubordinateDebt" name="ProceedsSubordinateDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_ProceedsStockOptionsExercised" name="ProceedsStockOptionsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The proceeds from the exercise of stock options.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsShortTermBorrowings" name="ProceedsShortTermBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from issuing bonds, mortgages, notes, and from other short- or long-term borrowing</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsSalesMaturityAssets" name="ProceedsSalesMaturityAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_ProceedsSaleShortTermInvestmentsNet" name="ProceedsSaleShortTermInvestmentsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash inflows from purchases, sales, and maturities of trading securities shall be classified as cash flows from operating activities. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsSalePropertyPlantEquipment" name="ProceedsSalePropertyPlantEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from the sale of property, plant and equipment and other productive assets.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsSaleOtherAssets" name="ProceedsSaleOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from the sale of other productive assets.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsSaleBusiness" name="ProceedsSaleBusiness" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The cash received from the sale of a business during the period.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsOtherDebtChangesBalances" name="ProceedsOtherDebtChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from other borrowings.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsOtherDebt" name="ProceedsOtherDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Repayments on other borrowings.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsNotesPayable" name="ProceedsNotesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from notes payable.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsLongTermDebt" name="ProceedsLongTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from long-term borrowing.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsLineCreditChangesBalances" name="ProceedsLineCreditChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from a line of credit.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsLineCredit" name="ProceedsLineCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Repayments on a line of credit.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsIssuanceWarrants" name="ProceedsIssuanceWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The proceeds from the issuance of warrants</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsIssuancePreferredStock" name="ProceedsIssuancePreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The proceeds from the issuance of preferred stock.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsIssuanceEquity" name="ProceedsIssuanceEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash proceeds from the issuance of equity (common, preferred, and treasury stocks, stock options, etc.)</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsIssuanceCommonStock" name="ProceedsIssuanceCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The proceeds from the issuance of common stock.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsHeldMaturityInvestments" name="ProceedsHeldMaturityInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from sales/maturities of held-to-maturity investments</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsFromfLifeInsurancePolicies" name="ProceedsFromfLifeInsurancePolicies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from life insurance policies for which the company is the beneficiary.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ProceedsAvailableSaleInvestments" name="ProceedsAvailableSaleInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from sales/maturities of available for sale investments</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PrepaidRent" name="PrepaidRent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cash paid in advance for rental costs.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PrepaidPensionCosts" name="PrepaidPensionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cumulative employer's contributions in excess of net pension cost accrued.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PrepaidInsurance" name="PrepaidInsurance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cash paid in advance for insurance costs.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PrepaidExpenses" name="PrepaidExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cash paid in advance for services or supplies. Commonly includes prepaid rent, insurance, interest and advertising.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PrepaidAssetsLongTerm" name="PrepaidAssetsLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Items paid in advance, greater than one year.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockTransactionsNet" name="PreferredStockTransactionsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Net payments and proceeds received from all preferred stock transactions</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockShareSubscriptions" name="PreferredStockShareSubscriptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Amount of preferred stock allocated to existing shareholders of an entity to buy shares of a new issue of preferred stock before it is offered to the public.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockSharesOutstanding" name="PreferredStockSharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of preferred shares issued by an entity and held by shareholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockSharesIssued" name="PreferredStockSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Preferred shares of an entity, authorized in the corporate charter, which have been issued and are outstanding.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockSharesAuthorized" name="PreferredStockSharesAuthorized" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The maximum number of preferred shares permitted to be issued by an entity's charter and bylaws.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockPurchasedRetiredParValue" name="PreferredStockPurchasedRetiredParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of preferred stock that has been purchased and retired by an entity recorded at par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockPurchasedRetiredNumberShares" name="PreferredStockPurchasedRetiredNumberShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of preferred stock that has been purchased and retired by an entity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockPurchasedRetired" name="PreferredStockPurchasedRetired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Total value of preferred stock that has been purchased and retired by an entity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockParValuePerShare" name="PreferredStockParValuePerShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Face amount or stated value of preferred stock and not the actual value it would receive on the open market.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockParValueEndingBalance" name="PreferredStockParValueEndingBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Balance of preferred stock at the end of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockParValueBeginningBalance" name="PreferredStockParValueBeginningBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Balance of preferred stock at the beginning of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockNumberSharesEndingBalance" name="PreferredStockNumberSharesEndingBalance" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of preferred stock at the end of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockNumberSharesBeginningBalance" name="PreferredStockNumberSharesBeginningBalance" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of preferred stock at the beginning of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockIssuedParValue" name="PreferredStockIssuedParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of preferred stock issued recorded at par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockIssuedNumberShares" name="PreferredStockIssuedNumberShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of preferred stock issued</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockIssuedAdditionalPaidCapital" name="PreferredStockIssuedAdditionalPaidCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of preferred stock issued recorded above par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockIssued" name="PreferredStockIssued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Total Value of preferred stock issued by an entity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockDividendsOtherAdjustments" name="PreferredStockDividendsOtherAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation> Preferred stock dividends and other adjustments necessary to net income to obtain net income applicable to common stockholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStockDescription" name="PreferredStockDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Description of Type or Class of Preferred Stock</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredStock" name="PreferredStock" type="xbrli:tupleType" substitutionGroup="xbrli:tuple" xbrli:balance="credit">
    <annotation>
      <documentation>Part of capital stock of an entity that enjoys priority over the common stock in the distribution of dividends and in the event of dissolution of an entity, to the distribution of an entity's assets.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredDividendsPaidStock" name="PreferredDividendsPaidStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Preferred Dividends Paid - Stock</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PreferredDividendsPaidCash" name="PreferredDividendsPaidCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_PostRetirementBenefitExpense" name="PostRetirementBenefitExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>All types of benefits provided to former or inactive employees their beneficiaries and covered dependents.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PensionsOPEB" name="PensionsOPEB" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligation recognized for the future liability to make annuity payments to the employees (pension) and the actuarial present value as of a measurement date of the other post-retirement benefits expected to be paid to or for the employee (other post-retirement benefits).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PensionOtherEmployeeBenefitExpense" name="PensionOtherEmployeeBenefitExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Costs recognized as an expense related to pensions and other employee benefits (e.g. postretirement plans).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PensionObligation" name="PensionObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligation recognized for the future liability to make annuity payments to the employees.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PaymentsUnconsolidatedAffiliatesChangesBalances" name="PaymentsUnconsolidatedAffiliatesChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from sale of investment in unconsolidated affiliates (generally less than 50% generally accounted for under the equity method). </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PaymentsUnconsolidatedAffiliates" name="PaymentsUnconsolidatedAffiliates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments for investment in unconsolidated affiliates (generally less than 50% and generally accounted for under the equity method). </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PaymentsRepurchaseOtherEquity" name="PaymentsRepurchaseOtherEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments to repurchase the company's other equity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PaymentsOtherGoodsServices" name="PaymentsOtherGoodsServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash payments to acquire other goods not used in manufacturing and services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PaymentsMaterialsGoodsManufactureResale" name="PaymentsMaterialsGoodsManufactureResale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash payments to acquire materials for manufacture or goods for resale.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PaymentsAssets" name="PaymentsAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_PaymentRepurchasesEquity" name="PaymentRepurchasesEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments to repurchase equity (e.g. common and preferred stock)</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PaymentPreferredDividends" name="PaymentPreferredDividends" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments of dividends to preferred stockholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PaymentMinorityInterestDividends" name="PaymentMinorityInterestDividends" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments of dividends to minority interest</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PaymentDividends" name="PaymentDividends" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments of dividends (common, preferred, minority interest, other)</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_PaymentCommonDividends" name="PaymentCommonDividends" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments of dividends to common stockholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherShortTermBorrowings" name="OtherShortTermBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Other short term borrowings not otherwise defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherReceivablesNet" name="OtherReceivablesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amounts due from the sale of fixed assets, other long-term investments or assets that are not included in other defined accounts.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherPropertyPlantEquipment" name="OtherPropertyPlantEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Other tangible assets not otherwise defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherPrepaidExpenses" name="OtherPrepaidExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cash paid in advance for other prepaid expenses.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherPostretirementObligations" name="OtherPostretirementObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Actuarial present value as of a measurement date of the other postretirement benefits expected to be paid to or for the employee, including accrued other postretirement benefits (non-pension).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherOperatingRevenue" name="OtherOperatingRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Revenues generated during the normal course of business other than the sale of goods and/or delivery of services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherOperatingExpense" name="OtherOperatingExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Miscellaneous generally recurring costs associated with normal operations and currently chargeable against revenue except for the portion of said expenses which can be clearly related to production. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherNonrecurringCharges" name="OtherNonrecurringCharges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Charges(Expense) of an event that is nonrecurring in nature that is not previously been defined.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherNonOperatingIncomeExpense" name="OtherNonOperatingIncomeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Sum of other non-operating income and expense.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherNonOperatingIncome" name="OtherNonOperatingIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Any other income items resulting from secondary business-related activities, excluding those considered part of the normal operations of the business.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherNonOperatingExpense" name="OtherNonOperatingExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Any other expense items resulting from secondary business-related activities, excluding those considered part of the normal operations of the business.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherNoncurrentLiabilities" name="OtherNoncurrentLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Other concurrent liabilities not defined elsewhere - actual and estimated.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherNet" name="OtherNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments to repurchase or otherwise cash outflow of other financing activities</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherLongTermDebt" name="OtherLongTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Other long term debt not otherwise defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherLiabilitiesShortTermLongTerm" name="OtherLiabilitiesShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Other liabilities not previously defined elsewhere.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherLaborRelatedExpenses" name="OtherLaborRelatedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Labor related expenditures other than salaries &amp; wages, officers compensation and post-retirement benefits.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherInvestments" name="OtherInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Proceeds from the sales of equity instruments of other enterprises (other than certain equity instruments carried in a trading account).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherInvestingActivitiesNet" name="OtherInvestingActivitiesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change (cash inflow and outflow) of other investing activities not otherwise defined.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherInventories" name="OtherInventories" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Inventories related to long-term contracts/programs, or products used in the manufacturing process and cannot be classified as either raw materials, work in process, or finished goods.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherIntangibleAssetsNet" name="OtherIntangibleAssetsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>All intangible assets excluding Goodwill.  Assets, excluding financial assets, that lack physical substance.  These assets must have been acquired through a purchase (either separately or with other assets) and not internally developed.  Net of accumulated amortization.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherIntangibleAssets" name="OtherIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Intangible assets not otherwise defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherGeneralAdministrativeExpenses" name="OtherGeneralAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Miscellaneous general and administrative expenses.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherExtraordinaryGainLoss" name="OtherExtraordinaryGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Other gains(losses) that are both unusual in nature and infrequent in occurrence.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherEquityChangesBalances" name="OtherEquityChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The proceeds from other equity issuances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherEquity" name="OtherEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Equity not otherwise defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherEmployeeBenefitsLiabilities" name="OtherEmployeeBenefitsLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligations related to miscellaneous deductions from employees' wages/salaries.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherCurrentLiabilities" name="OtherCurrentLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligations not previously defined that are due in one year (operating cycle) or less in the future.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherCurrentAssets" name="OtherCurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Current assets not otherwise defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherChangesTreasuryStockPar" name="OtherChangesTreasuryStockPar" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Other Changes in Treasury Stock at Par</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherChangesStockholdersEquity" name="OtherChangesStockholdersEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Transferring of assets, including cash payments, converting securities or incurring liabilities by the enterprise for the owners.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherChangesRetainedEarnings" name="OtherChangesRetainedEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Other Changes in Retained Earnings</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherChangesPreferredStockPar" name="OtherChangesPreferredStockPar" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Other Changes in Preferred Stock at Par</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherChangesNet" name="OtherChangesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period balances for accounts that have not otherwise been defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherChangesCommonStockPar" name="OtherChangesCommonStockPar" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Other Changes in Common Stock at Par</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherChangesAddiitonalPaidCapital" name="OtherChangesAddiitonalPaidCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Other Changes in Addiitonal Paid in Capital</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherChangesAccumulatedComprehensiveIncome" name="OtherChangesAccumulatedComprehensiveIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Other Changes in Accumulated Comprehensive Income</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherCashReceipts" name="OtherCashReceipts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>All other cash receipts that do not stem from transactions otherwise defined or defined as investing or financing activities, such as amounts received to settle lawsuits; proceeds of insurance settlements except for those that are directly related to investing or financing activities, such as from destruction of a building; and refunds from suppliers.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherCashPayments" name="OtherCashPayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>All other cash payments that do not stem from transactions defined as investing or financing activities, such as payments to settle lawsuits, cash contributions to charities, and cash refunds to customers.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherAssetsNoncurrent" name="OtherAssetsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Non-current Assets not otherwise labeled.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherAdjustments" name="OtherAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Adjustments which affect operating cashflow and have not otherwise been defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherAccumulatedComprehensiveIncomeNetTaxEffect" name="OtherAccumulatedComprehensiveIncomeNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The cumulative amount of all the Other Comprehensive Income accounts not otherwise defined, net of tax effects.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherAccruedExpenses" name="OtherAccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Other accrued expenses (expenses incurred at the end of the reporting period but not yet paid) not otherwise defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OtherAccountsPayable" name="OtherAccountsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligations of a business that arise from the acquisition of merchandise, materials, supplies and services used in the production and/or sale of goods and services not classified as Trade Payables.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OperatingRevenue" name="OperatingRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Revenues are inflows or other enhancements of assets of an entity or settlements of its liabilities (or a combination of both) from delivering or producing goods, rendering services, or other activities that constitute the entity's ongoing major or central operations.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OperatingProfit" name="OperatingProfit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Gross profit less operating expenses.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OperatingExpenses" name="OperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Generally recurring costs associated with normal operations and currently chargeable against revenue except for the portion of said expenses which can be clearly related to production. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OfficersCompensation" name="OfficersCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Expenditures for salaries of officers other than those which can be clearly related to production.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_OfficeComputerEquipment" name="OfficeComputerEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Office and computer equipment required for revenue generating activities in the normal conduct of business.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NotesReceivableNetCurrentPortion" name="NotesReceivableNetCurrentPortion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Note Receivables arising from the sale of goods and services, net of uncollectible accounts - current portion only.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NotesReceivableNet" name="NotesReceivableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Note Receivables arising from the sale of goods and services, net of uncollectible accounts - includes both current and non current portions</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NotesPayableShortTermLongTerm" name="NotesPayableShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Written promise to pay a certain amount of money at a certain time.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NotesPayableRelatedPartyShortTermLongTerm" name="NotesPayableRelatedPartyShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Notes payable owed to a related party, which is when one entity has control or significant influence over another company.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NotesPayableLongTerm" name="NotesPayableLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Written promise to pay, the portion that is due greater than one year in the future.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NotesPayableCurrentPortion" name="NotesPayableCurrentPortion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Written promise to pay, the portion at which is due 1 year or less in the future.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NotesLoansShortTermLongTerm" name="NotesLoansShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Written promise to pay (note), and the agreement by which an owner of property (e.g. cash), called the lender, allows another party , the borrower, to use the property (loan).   </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NotesLoansPayableCurrent" name="NotesLoansPayableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Written promise to pay (note), and the agreement by which an owner of property (e.g. cash), called the lender, allows another party , the borrower to use the property, the portion of which is due in one year (or business cycle) or less.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NotesLoansLongTerm" name="NotesLoansLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Written promise to pay (note), and the agreement by which an owner of property (e.g. cash), called the lender, allows another party , the borrower, to use the property (loan), the portion at which is greater than one year in the future.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NonSubordinateDeferredDebtLongTerm" name="NonSubordinateDeferredDebtLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Debt that has been extended or re-scheduled that is not subordinated debt.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NonRedeemablePreferredStockShareSubscriptions" name="NonRedeemablePreferredStockShareSubscriptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Amount of non-redeemable preferred stock allocated to existing shareholders of an entity to buy shares of a new issue of preferred stock before it is offered to the public.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NonRedeemablePreferredStockSharesOutstanding" name="NonRedeemablePreferredStockSharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of non-redeemable preferred shares issued by an entity and held by shareholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NonRedeemablePreferredStockSharesIssued" name="NonRedeemablePreferredStockSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Non-redeemable preferred shares of an entity, authorized in the corporate charter, which have been issued and are outstanding.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NonRedeemablePreferredStockSharesAuthorized" name="NonRedeemablePreferredStockSharesAuthorized" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The maximum number of non-redeemable preferred shares permitted to be issued by an entity's charter and bylaws.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NonRedeemablePreferredStockParValuePerShare" name="NonRedeemablePreferredStockParValuePerShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Face amount or stated value of non-redeemable preferred stock and not the actual value it would receive on the open market.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NonRedeemablePreferredStock" name="NonRedeemablePreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>That part of preferred stock that an entity does not have the right to buy back.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NonOperatingIncomeExpense" name="NonOperatingIncomeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Represents any income or expense items resulting from secondary business-related activities, excluding those considered part of the normal operations of the business.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NoncurrentRelatedPartyReceivables" name="NoncurrentRelatedPartyReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amounts due from related parties - including affiliates, net of allowance.  Affiliates are defined as parties which are directly or indirectly controlled by, under  the control of, or is under common control with the entity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NoncurrentNotesReceivable" name="NoncurrentNotesReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amounts due from sale of fixed assets or other long term investments which are not due within 1 year or less.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NoncurrentFinancingReceivables" name="NoncurrentFinancingReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Long term receivables arising from the financing of goods and services, net of uncollectible accounts.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NoncashInvestingFinancingActivities" name="NoncashInvestingFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The description and amounts of noncash investing and financing activities</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NoncashExpenses" name="NoncashExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Those transactions that result in no cash inflows or outflows in the period in which they occur but generally have a significant effect on the prospective cash flows of a company.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetProceedsStockPlans" name="NetProceedsStockPlans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_NetProceedsBorrowings" name="NetProceedsBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net amount of cash inflow from borrowings (debt, line of credit, notes payable, etc.)</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" name="NetIncreaseDecreaseCashCashEquivalents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change between the beginning and ending balance of cash and cash equivalents</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetIncomeLoss" name="NetIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Net income (loss) represents the sum of all transactions affecting the net increase or decrease in equity during the current period, except dividend distributions and transactions of a capital nature.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetIncomeEquity" name="NetIncomeEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>All revenue less all expenses</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetIncomeApplicableCommonStockholders" name="NetIncomeApplicableCommonStockholders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Net income less preferred dividends.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetIncome" name="NetIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>All revenue less all expenses.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetChangeDebt" name="NetChangeDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Net value of all repayments and proceeds of borrowings.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetCashFlowsProvidedByUsedOperatingActivitiesIndirect" name="NetCashFlowsProvidedByUsedOperatingActivitiesIndirect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Operating activity cash flows include all transactions and other events that are not defined as investing or financing activities.  Operating activities generally involve producing and delivering goods and providing services.  Cash flows from operating activities are generally the cash effects of transactions and other events that enter into the determination of net income. (Indirect Method)</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetCashFlowsProvidedByUsedOperatingActivitiesDirect" name="NetCashFlowsProvidedByUsedOperatingActivitiesDirect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Net cash flow from operating activities include all transactions and other events that are not defined as investing or financing activities.  Operating activities generally involve producing and delivering goods and providing services.  Cash flows from operating activities are generally the cash effects of transactions and other events that enter into the determination of net income. (Direct Method)</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" name="NetCashFlowsProvidedByUsedInvestingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net amount of investing activity cash inflow and outflow for the period.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" name="NetCashFlowsProvidedByUsedFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net amount of financing activity cash inflow and outflow for the period.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MinorityInterestSubsidiaryChangesBalances" name="MinorityInterestSubsidiaryChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Minority Interest in a subsidiary's net assets balance.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MinorityInterestNetTaxEffect" name="MinorityInterestNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The percentage of a subsidiary's income not owned by the consolidating entity, net of taxes.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MinorityInterestChangesBalances" name="MinorityInterestChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Minority Interest in a subsidiary's net assets balance.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MinorityInterest" name="MinorityInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Investment interest whose company's ownership is not the controlling interest.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MergerRelatedExpenses" name="MergerRelatedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The costs incurred by an entity during a business combination.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MergerAcquisitionsCosts" name="MergerAcquisitionsCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Costs related to the acquisition of a company in the current year or effects of an acquisitions in a prior year carried over to the current year.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketingAdvertisingExpenses" name="MarketingAdvertisingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Expenses directly related to the marketing of products or services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketableSecuritiesNoncurrent" name="MarketableSecuritiesNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Debt and Equity Financial Instruments including trading securities, securities held to maturity, and securities available for sale</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketableSecuritiesHeldMaturityNoncurrent" name="MarketableSecuritiesHeldMaturityNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A debt financial instrument which is intended to be held until maturity.  It is assumed that the entity has both the ability and intent to hold the security until maturity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketableSecuritiesHeldMaturityCurrentNoncurrent" name="MarketableSecuritiesHeldMaturityCurrentNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A debt financial instrument which is intended to be held until maturity.  It is assumed that the entity has both the ability and intent to hold the security until maturity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketableSecuritiesCurrentTradingSecurities" name="MarketableSecuritiesCurrentTradingSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Financial Instruments which is intended to be sold in the short term which are reported at fair value.  Trading generally reflects active and frequent buying and selling with the objective of generating profits on short term differences on price.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketableSecuritiesCurrentNoncurrent" name="MarketableSecuritiesCurrentNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Debt and Equity Financial Instruments including trading securities, securities held to maturity, and securities available for sale</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketableSecuritiesCurrentHeldMaturity" name="MarketableSecuritiesCurrentHeldMaturity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A debt financial instrument which is intended to be held until maturity.  It is assumed that the entity has both the ability and intent to hold the security until maturity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketableSecuritiesCurrentAvailableSaleSecurities" name="MarketableSecuritiesCurrentAvailableSaleSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Financial Instruments which are not trading securities nor held to maturity securities.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketableSecuritiesCurrent" name="MarketableSecuritiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Debt and Equity Financial Instruments  including trading securities, securities held to maturity, and securities available for sale which is intended to be sold in the short-term.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketableSecuritiesAvailableSecuritiesCurrentNoncurrent" name="MarketableSecuritiesAvailableSecuritiesCurrentNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Financial Instruments which are not trading securities nor held to maturity securities</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MarketableSecuritiesAvailableSaleSecuritiesNoncurrent" name="MarketableSecuritiesAvailableSaleSecuritiesNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Financial Instruments which are not trading securities nor held to maturity securities.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_MachineryEquipment" name="MachineryEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Tangible assets, of a permanent nature,  required for revenue generating activities normal conduct of a business.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LossOnRetirementPropertyPlantEquipment" name="LossOnRetirementPropertyPlantEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The amount of loss recognized as a result of the retirement of any property, plant and equipment.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LongTermInvestments" name="LongTermInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Investments, not including marketable securities.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LongTermDebtShortTermLongTerm" name="LongTermDebtShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>All short-term and long-term debt.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LongTermDebt" name="LongTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Portion of long term debt that is due greater than one year in the future.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LoansShortTermLongTerm" name="LoansShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Agreement by which an owner of property (e.g. cash), called the lender, allows another party , the borrower, to use the property.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LoansPayableCurrent" name="LoansPayableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Agreement by which an owner of property (e.g. cash), called the lender, allows another party , the borrower, to use the property, the portion which is due in one year or less in the future.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LoansLongTermPortion" name="LoansLongTermPortion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Agreement by which an owner of property (e.g. cash), called the lender, allows another party , the borrower, to use the property, the portion which is due greater than one year in the future.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LitigationReserve" name="LitigationReserve" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Known and estimated reserve for litigation costs (e.g. lawsuits and attorney fees).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LineCreditShortTermLongTerm" name="LineCreditShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Debt due on demand that would normally be classified as short term but for which the Lender has a refinancing agreement to refinance the short term obligation on a long term basis.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LineCreditLongTermDebt" name="LineCreditLongTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Debt due on demand that would normally be classified as short term but for which the Lender has a refinancing agreement to refinance the short term obligation on a long term basis.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LineCreditCurrent" name="LineCreditCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligations drawn from a line of credit, which is a bank's commitments to make loans up to a specific amount for a specific period of time.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LiabilitiesDiscontinuedOperationsShortTermLongTerm" name="LiabilitiesDiscontinuedOperationsShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligations arising from the sale, disposal or planned sale in the near future of a business segment (e.g. product line, class of customers).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LiabilitiesDiscontinuedOperationsCurrent" name="LiabilitiesDiscontinuedOperationsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Current obligations arising from the sale, disposal or planned sale in the near future of a business segment (e.g. product line, class of customers).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LiabilitiesAssumed" name="LiabilitiesAssumed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The fair value of liabilities assumed in noncash investing or financing activities.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LeasingReceivablesNet" name="LeasingReceivablesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Receivables arising from the leasing of goods and services, net of uncollectible accounts.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LeaseRentalExpense" name="LeaseRentalExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Expenses incurred for the rental of space and/or assets other than those allocated for use in production or those which are used for the generation of income.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LeaseholdImprovements" name="LeaseholdImprovements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Improvements to tangible assets that are leased. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LandLandImprovements" name="LandLandImprovements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Land and costs incurred to improve the land.  This excludes land held for sale. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LandImprovements" name="LandImprovements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Items added to land that have limited lifes, such as fences, walkways, parking lots.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LandBuildingsImprovements" name="LandBuildingsImprovements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Land and Structures, including improvements and additions made to the land and buildings.  This excludes land held for sale. Buildings are owned or long term leased structure used in the business - including office, storage and distribution facilities.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_Land" name="Land" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Land is recorded (and carried) at its original cost, with no adjustment for appreciation or depreciation.   This excludes land held for sale.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_LaborRelatedExpenses" name="LaborRelatedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Expenditures for salaries, wages, pension costs, profit sharing and incentive compensation, payroll taxes, and other employee benefits.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InvestmentProceeds" name="InvestmentProceeds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_InvestmentNonConsolidatedSubsidiaries" name="InvestmentNonConsolidatedSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Investments in non-consolidated subsidiaries accounted for using the equity and/or cost method.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InvestmentAffiliates" name="InvestmentAffiliates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Investments in related party affiliates.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InventoryObsolescenceReserve" name="InventoryObsolescenceReserve" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Valuation allowance to reduce the cost of inventory due to obsolescence (e.g. normal deterioration, excess materials, out-dated materials).   </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InventoriesWorkProcess" name="InventoriesWorkProcess" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Partially completed products which require further processing prior to being sold.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InventoriesSupplies" name="InventoriesSupplies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Products used in the manufacturing process which may or may not become part of the final product .</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InventoriesRawMaterials" name="InventoriesRawMaterials" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Natural occurring resource or subassembly which are converted into a final product.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InventoriesNet" name="InventoriesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amount of total  inventory, net of any allowance</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InventoriesLIFOReserve" name="InventoriesLIFOReserve" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The change in the dollar amount of inventory when valued on a method other than LIFO = Last In, First Out.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InventoriesFinishedGoods" name="InventoriesFinishedGoods" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Completed product ready for sale.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InternalUseComputerSoftware" name="InternalUseComputerSoftware" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Computer software programs required for revenue generating activities in the normal conduct of business.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InterestReceived" name="InterestReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The cash receipts from returns on loans and other debt instruments of other entities.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InterestPaymentsLendersOtherCreditors" name="InterestPaymentsLendersOtherCreditors" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The amount of interest paid during a period (net of amounts capitalized).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InterestPayable" name="InterestPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligation of interest due to the third parties.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InterestIncomeExpenseNet" name="InterestIncomeExpenseNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Sum of interest expense and interest income.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InterestIncome" name="InterestIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Interest income received from interest bearing assets.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InterestExpense" name="InterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Interest expense on deposits, long-term debt and all other borrowings.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_InterestDividendsOnLoansOtherDebtEquityOtherEntities" name="InterestDividendsOnLoansOtherDebtEquityOtherEntities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The total interest and dividends received in the period from loans to, other debt of, and equity of other entities.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsTradeSecrets" name="IntangibleAssetsTradeSecrets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Any formula, pattern, machine, or process of manufacturing used in a business that may give the user a competitive advantage; plan or process, tool, mechanism, or compound known only to its owner and those of its employees to whom it is necessary to disclose it.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsTradeNames" name="IntangibleAssetsTradeNames" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Business name that may or may not be trademarked.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsTrademarksBrandNames" name="IntangibleAssetsTrademarksBrandNames" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A word, symbol, or mark used to identify goods or services with their provider.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsRoyalty" name="IntangibleAssetsRoyalty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Share of a product, or of the proceeds therefrom, reserved by an owner for permitting another to exploit and use his property;  rental paid to the original owner of property based on a percentage of profit or production.  It is often used for mining leases of natural resources, conveyances, as well as literary works, inventions, and other intellectual productions.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsPatents" name="IntangibleAssetsPatents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The exclusive legal right to make, use, and sell an invention for a period specified by law.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsNoncompeteAgreements" name="IntangibleAssetsNoncompeteAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Legal agreement in which an entity is prevented from selling goods or providing services within  specified criteria (geographic, product line, industry, etc.). </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsNet" name="IntangibleAssetsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Assets, excluding financial assets, that lack physical substance.  These assets must have been acquired through a purchase (either separately or with other assets) and not internally developed.  Net of accumulated amortization.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsMediaContent" name="IntangibleAssetsMediaContent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Channels of communication that serve many diverse functions such as offering a variety of entertainment with either mass or specialized appeal, communicating news and information, or displaying advertising messages.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsLicenses" name="IntangibleAssetsLicenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Permission granted to legalize doing a particular thing, exercising a certain privilege, or pursuing a particular business or occupation.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsGross" name="IntangibleAssetsGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Assets, excluding financial assets, that lack physical substance.  These assets must have been acquired through a purchase (either separately or with other assets) and not internally developed.  Recorded at gross amounts (before amortization).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsGoodwill" name="IntangibleAssetsGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The excess of the cost of an acquired entity over net of the amounts assigned to assets acquired and liabilities assumed in a business combination.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsFranchiseRights" name="IntangibleAssetsFranchiseRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A contractual privilege, often exclusive, granted by one person to another permitting the sale of a product, use of a trade name or provision of a service within a specified territory and/or in a specified manner.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsCustomerLists" name="IntangibleAssetsCustomerLists" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>List of customers of an acquired entity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsCopyrights" name="IntangibleAssetsCopyrights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The exclusive legal right to reproduce an original creation, such as textual material, work of art or software, for a period specified by legislation.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsContractualRights" name="IntangibleAssetsContractualRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Intangible asset - Contractual Rights.  Agreement between two or more parties whereby each party promises to do, or not to do, something; a transaction involving two or more individuals, whereby each has reciprocal rights to demand performance of what is promised.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IntangibleAssetsComputerSoftware" name="IntangibleAssetsComputerSoftware" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Capitalized cost of internally developed software.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncreaseFinanceReceivables" name="IncreaseFinanceReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period finance receivables balances.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncreaseEquityDueSharesRemainingBeIssuedAcquisition" name="IncreaseEquityDueSharesRemainingBeIssuedAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Total value of shares remaining to be issued by an entity in an acquisition.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncreaseEquityDueSharesIssuedBySubsidiary" name="IncreaseEquityDueSharesIssuedBySubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Total value of shares issued by a subsidiary.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeTaxReceivableCurrent" name="IncomeTaxReceivableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Federal or state or local income tax refunds due within one year or less.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeTaxesReceivableNet" name="IncomeTaxesReceivableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amounts due from taxing authorities related to the payment of income taxes, net of uncollectible amounts</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeTaxesPayable" name="IncomeTaxesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligation of all income taxes.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeTaxesPaid" name="IncomeTaxesPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>If the indirect method is used, amounts of income taxes paid during the period shall be provided in related disclosures.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossExtraordinaryItemsNetTaxEffectPerOutstandingShare" name="IncomeLossExtraordinaryItemsNetTaxEffectPerOutstandingShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Income(Loss) from Extraordinary Items, net of tax effect, per Outstanding Share.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossExtraordinaryItemsNetTaxEffectPerDilutedShare" name="IncomeLossExtraordinaryItemsNetTaxEffectPerDilutedShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Income(Loss) from Extraordinary Items, net of tax effect, per Diluted Share.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossDuringPhaseOutPeriod" name="IncomeLossDuringPhaseOutPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Gross income(loss) from disposing of a business segment that has been discontinued at year-end or will be discontinued shortly after year end.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossDispositionDiscontinuedOperationsPerOutstandingShare" name="IncomeLossDispositionDiscontinuedOperationsPerOutstandingShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Income(Loss) from Disposition of Discontinued Operations per Outstanding Share.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossDispositionDiscontinuedOperationsPerDilutedShare" name="IncomeLossDispositionDiscontinuedOperationsPerDilutedShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Income(Loss) from Disposition of Discontinued Operations per Diluted Share.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossDispositionDiscontinuedOperations" name="IncomeLossDispositionDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Income(Loss) from disposing of a business segment that has been discontinued at year-end or will be discontinued shortly after year end.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossDiscontinuedOperationsNetTaxEffect" name="IncomeLossDiscontinuedOperationsNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Income(Loss), net of tax, of a business segment that has been discontinued at year-end or will be discontinued shortly after year end.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossDiscontinuedOperationsChangesBalances" name="IncomeLossDiscontinuedOperationsChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The income (loss) of a segment of business that has been sold, abandoned, spunoff, or otherwise disposed of or, although still operating, is the subject of a formal plan for disposal.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossDiscontinuedOperations" name="IncomeLossDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Income(Loss) of a business segment that has been discontinued at year-end or will be discontinued shortly after year end.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossContinuingOperationsPerOutstandingShare" name="IncomeLossContinuingOperationsPerOutstandingShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Income(Loss) from Continuing Operations per Outstanding Share.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossContinuingOperationsPerDilutedShare" name="IncomeLossContinuingOperationsPerDilutedShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Income(Loss) from Continuing Operations per Diluted Share.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossContinuingOperationsBeforeIncomeTaxes" name="IncomeLossContinuingOperationsBeforeIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Sum of operating profit and non-operating income(Expense).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeLossContinuingOperations" name="IncomeLossContinuingOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Revenues and expenses after tax arising from the ongoing operations of the business.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" name="IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Income Before Extraordinary Items and Cumulative Effect of Change in Accounting Principle per Outstanding Share</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerDilutedShare" name="IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerDilutedShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Income Before Extraordinary Items and Cumulative Effect of Change in Accounting Principle per Diluted Share</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciple" name="IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciple" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Income before Extraordinary Items and Cumulative Effect of Change in Accounting Principle.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" name="IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Income Before Cumulative Effect of Change in Accounting Principle per Outstanding Share</documentation>
    </annotation>
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  <element id="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerDilutedShare" name="IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerDilutedShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Income Before Cumulative Effect of Change in Accounting Principle per Diluted Share</documentation>
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  <element id="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciple" name="IncomeBeforeCumulativeEffectChangeAccountingPrinciple" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Income before cumulative effect of change in accounting principle.</documentation>
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  <element id="usfr-pt_ImpairmentLongLivedAssetsCertainIntangibles" name="ImpairmentLongLivedAssetsCertainIntangibles" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
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      <documentation>Costs resulting from the write down of long lived assets and certain identifiable intangibles other than goodwill due to the difference between the carrying value and the fair market value.</documentation>
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  <element id="usfr-pt_ImpairmentGoodwill" name="ImpairmentGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Costs resulting from the write down of goodwill due to the difference between the carrying value and the fair market value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_GrossProfit" name="GrossProfit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Operating Revenue less Cost of Goods and/or Services Sold.</documentation>
    </annotation>
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  <element id="usfr-pt_GeneralAdministrativeExpenses" name="GeneralAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Generally recurring costs associated with normal operations and currently chargeable against revenue, excluding those directly related to the marketing or selling of products or services.</documentation>
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  <element id="usfr-pt_GainsLossesOnSaleSecuritiesOtherInvestments" name="GainsLossesOnSaleSecuritiesOtherInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The gains and losses included in the current period net income (loss) and resulting from incidental or peripheral asset dispositions of an enterprise with other entities and from other events and circumstances affecting the enterprise.</documentation>
    </annotation>
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  <element id="usfr-pt_GainOnSettlementPensionObligation" name="GainOnSettlementPensionObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
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      <documentation>Gain on settlement (irrevocable transaction that relieves the employer (or the plan) of primary responsibility for a pension benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement) of a defined benefit obligation.</documentation>
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  <element id="usfr-pt_GainLossRelatedLitigationSettlement" name="GainLossRelatedLitigationSettlement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Costs and recoveries related to the settlement of litigation.</documentation>
    </annotation>
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  <element id="usfr-pt_GainLossOnSaleBusinessChangesBalances" name="GainLossOnSaleBusinessChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The gains and losses included in the current period net income (loss) and resulting from business dispositions of an enterprise with other entities and from other events and circumstances affecting the enterprise.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_GainLossOnSaleBusiness" name="GainLossOnSaleBusiness" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The gains and losses included in earning resulting from the sale of a business segment.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_GainLossOnDispositionAssets" name="GainLossOnDispositionAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The gains and losses included in earning resulting from the sale or disposal of assets.</documentation>
    </annotation>
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  <element id="usfr-pt_GainLossAdjustmentsPriorYearExtraordinaryItems" name="GainLossAdjustmentsPriorYearExtraordinaryItems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Adjustment to a prior year extraordinary item that is recognized in the current year due to new information.</documentation>
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  <element id="usfr-pt_FurnitureFixtures" name="FurnitureFixtures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Furniture and fixture  required for revenue generating activities normal conduct of a business.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ForeignCurrencyExchangeGainsLosses" name="ForeignCurrencyExchangeGainsLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Realized and unrealized foreign exchange gains and losses.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_FinancingReceivables" name="FinancingReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Receivables arising from the financing of goods and services, net of uncollectible accounts.</documentation>
    </annotation>
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  <element id="usfr-pt_FinancingInterestExpense" name="FinancingInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Expenses arising from the financing of goods and services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_FinanceRevenue" name="FinanceRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Revenue arising from the financing of goods and services.</documentation>
    </annotation>
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  <element id="usfr-pt_FinanceReceivablesNet" name="FinanceReceivablesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Current receivables arising from the financing of goods and services, net of uncollectible accounts.</documentation>
    </annotation>
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  <element id="usfr-pt_FairValueAssetsAcquired" name="FairValueAssetsAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The fair value of assets acquired in noncash investing or financing activities.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ExtraordinaryItemsNetTaxEffect" name="ExtraordinaryItemsNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Gains and losses, net of tax effect, that are both unusual in nature and infrequent in occurrence.</documentation>
    </annotation>
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  <element id="usfr-pt_ExtraordinaryItemsGross" name="ExtraordinaryItemsGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Gains and losses that are both unusual in nature and infrequent in occurrence.</documentation>
    </annotation>
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  <element id="usfr-pt_ExtraordinaryGainLoss" name="ExtraordinaryGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Gain or loss on events and transactions which are distinguished by their unusual nature and by the infrequency of their occurrence.</documentation>
    </annotation>
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  <element id="usfr-pt_ExtinguishmentDebt" name="ExtinguishmentDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Difference between the re-acquisition price and the net carrying amount of the extinguished debt.</documentation>
    </annotation>
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  <element id="usfr-pt_ExerciseStockOptionsTreasuryStockParValue" name="ExerciseStockOptionsTreasuryStockParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of common stock issued  as a result of the exercise of stock options recorded at par value.</documentation>
    </annotation>
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  <element id="usfr-pt_ExerciseStockOptionsTreasuryStockNumberShares" name="ExerciseStockOptionsTreasuryStockNumberShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of common stock issued as a result of the exercise of stock options.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ExerciseStockOptionsRetainedEarnings" name="ExerciseStockOptionsRetainedEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Effect on Retained Earnings of stock issued as a result of the exercise of stock options.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ExerciseStockOptionsCommonStockParValue" name="ExerciseStockOptionsCommonStockParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of common stock issued  as a result of the exercise of stock options recorded at par value.</documentation>
    </annotation>
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  <element id="usfr-pt_ExerciseStockOptionsCommonStockNumberShares" name="ExerciseStockOptionsCommonStockNumberShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of common stock issued as a result of the exercise of stock options.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ExerciseStockOptionsAdditionalPaidCapital" name="ExerciseStockOptionsAdditionalPaidCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of common and/or treasury stock issued as a result of the exercise of stock options recorded above par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ExerciseStockOptions" name="ExerciseStockOptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Total value of common and/or treasury stock issued by an entity as a result of the exercise of stock options.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ExchangeGainsLosses" name="ExchangeGainsLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The gain (loss) that is the result of the effect of exchange rate changes on transactions denominated in currencies other than the functional currency.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ESOPRestrictedStockExpense" name="ESOPRestrictedStockExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The expense recognized as a result of ESOP and restricted stock plans and issuance</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_EnvironmentalRemediation" name="EnvironmentalRemediation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Costs and recoveries related to environmental remediation.</documentation>
    </annotation>
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  <element id="usfr-pt_EnvironmentalLiability" name="EnvironmentalLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligation (known or estimated) arising from environmental remedy actions to be taken.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_EmployeeRelatedLiabilities" name="EmployeeRelatedLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligations related to employees, such as accrued vacation, salaries payable, accrued insurance, accrued advertising, etc.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_EmployeeBenefits" name="EmployeeBenefits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligations for any employee benefits (e.g. fringe benefits).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_EffectExchangeRateOnCashCashEquivalents" name="EffectExchangeRateOnCashCashEquivalents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The effect of exchange rate changes on cash balances held in foreign currencies.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_EffectChangesAccountingPrincipleGross" name="EffectChangesAccountingPrincipleGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Effect of switching from one accounting principle to another, before tax effect.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_EarningsLossesEquityInvestments" name="EarningsLossesEquityInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_DueToOfficersStockholdersShortTermLongTerm" name="DueToOfficersStockholdersShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Amounts due to stockholders or officers.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DueToOfficersStockholdersNoncurrent" name="DueToOfficersStockholdersNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Amounts due to stockholders or officers, which are usually due more than 1 year (or one business cycle).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DueToOfficersStockholdersCurrent" name="DueToOfficersStockholdersCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Amounts due to stockholders or officers, which are usually due within 1 year (or one business cycle).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DueFromOfficersStockholdersNoncurrent" name="DueFromOfficersStockholdersNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amounts due from stockholders or officers, which are usually due beyond 1 year (or one business cycle).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DueFromOfficersStockholdersCurrentNoncurrent" name="DueFromOfficersStockholdersCurrentNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amounts due from stockholders or officers.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DueFromOfficersStockholdersCurrent" name="DueFromOfficersStockholdersCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amounts due from stockholders or officers, which are usually due within 1 year (or one business cycle).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DividendsReceived" name="DividendsReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash receipts from equity securities</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DividendsPayable" name="DividendsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligation of the distributions to shareholders made by a corporation.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DividendsOnCommonPreferredStock" name="DividendsOnCommonPreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Payments of dividends to common and preferred stockholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DividendsDeclaredButNotPaid" name="DividendsDeclaredButNotPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_DividendIncome" name="DividendIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Dividend income received from dividend paying assets.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DilutedEarningsPerShareNetIncome" name="DilutedEarningsPerShareNetIncome" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Earnings (net income) per Diluted Share.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DerivativeLiabilitiesLongTerm" name="DerivativeLiabilitiesLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Financial instruments under contracts that have one or more underlying and one or more notional amounts.  SFAS 133 requires that derivatives be recognized as assets or liabilities on the balance sheet at fair values.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DerivativeLiabilities" name="DerivativeLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Financial instruments under contracts that have one or more underlying and one or more notional amounts.  SFAS 133 requires that derivatives be recognized as assets or liabilities on the balance sheet at fair values.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DerivativeAssetsNoncurrent" name="DerivativeAssetsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A financial instrument or contract (options, swaps, futures, etc..) whose value is derived from some other financial measure and includes payment provisions (notional amounts, that is, cash, commodities, shares of stock, etc.).  This includes fair value hedges, cash flow hedges, foreign currency hedges, commodities, etc...This excludes items classified as marketable securities and short-term investments.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DerivativeAssetsCurrentNoncurrent" name="DerivativeAssetsCurrentNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A financial instrument or contract (options, swaps, futures, etc..) whose value is derived from some other financial measure and includes payment provisions (notional amounts, that is, cash, commodities, shares of stock, etc.).  This includes fair value hedges, cash flow hedges, foreign currency hedges, commodities, etc...This excludes items classified as marketable securities and short-term investments.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DerivativeAssetsCurrent" name="DerivativeAssetsCurrent" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A current financial instrument or contract (options, swaps, futures, etc..) whose value is derived from some other financial measure and includes payment provisions (notional amounts, that is, cash, commodities, shares of stock, etc.).  This includes fair value hedges, cash flow hedges, foreign currency hedges, commodities, etc...This excludes items classified as marketable securities and short-term investments.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DepreciationChangesBalances" name="DepreciationChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Rational and systematic allocation of the cost of an asset to the periods during which the related assets are expected to provide benefits.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DepreciationAmortizationChangesBalances" name="DepreciationAmortizationChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Rational and systematic allocation of the cost of an asset to the periods during which the related assets are expected to provide benefits.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DepreciationAmortization" name="DepreciationAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The amount of expense charged against earnings by a company to write off the cost of a plant or machine over its useful life, giving consideration to wear and tear, obsolescence, and salvage value and/or the amount of expense charged against earnings by a company to write off the cost of an intangible possession (a non-current asset).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_Depreciation" name="Depreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The amount of expense charged against earnings by a company to write off the cost of a plant or machine over its useful life, giving consideration to wear and tear, obsolescence, and salvage value. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredUnearnedRevenueShortTermLongTerm" name="DeferredUnearnedRevenueShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligation of unearned revenue, including refund obligations.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredUnearnedRevenueLongTerm" name="DeferredUnearnedRevenueLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligation of unearned revenue, including refund obligations due beyond one year or one business cycle. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredUnearnedRevenueCurrent" name="DeferredUnearnedRevenueCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligation of unearned revenue, including refund obligations due within one year or one business cycle.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredUnearnedCompensation" name="DeferredUnearnedCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Accumulated unrealized deferred compensation. Component of 'Other Comprehensive Income'.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredTaxAssetNoncurrent" name="DeferredTaxAssetNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The future effects on income taxes attributable to deductible temporary differences and carry forwards, noncurrent.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredTaxAssetCurrentNoncurrent" name="DeferredTaxAssetCurrentNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The future effects on income taxes attributable to deductible temporary differences and carry forwards, current and noncurrent   .</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredStateLocalIncomeTax" name="DeferredStateLocalIncomeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The change during the year in the entity's deferred tax liabilities and assets due to timing differences between the reporting of revenues and expenses for financial statements and tax forms for state and local government reporting purposes.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredRevenue" name="DeferredRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period deferred revenue balances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredOtherTax" name="DeferredOtherTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The change during the year in the entity's deferred tax liabilities and assets due to timing differences between the reporting of revenues and expenses for financial statements and tax forms for other tax reporting purposes.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredLongTermLiabilityCharges" name="DeferredLongTermLiabilityCharges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Aggregate amount of the deferred effect of a long term assets.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredLongTermAssetCharges" name="DeferredLongTermAssetCharges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Aggregate amount of the deferred effect of a long term.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredInterestExpense" name="DeferredInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Interest expense on deferred debt.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredInterest" name="DeferredInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Interest accrued associated with debt that has been extended or re-scheduled</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredIncomeTaxLiabilities" name="DeferredIncomeTaxLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The future effects on income taxes attributable to taxable temporary differences, long term.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredIncomeTaxExpenseBenefit" name="DeferredIncomeTaxExpenseBenefit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The change during the year in the entity's deferred tax liabilities and assets due to timing differences between the reporting of revenues and expenses for financial statements and tax forms.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredIncomeTaxesShortTermLongTerm" name="DeferredIncomeTaxesShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Estimated amount of future taxes on income earned and recognized for accounting purposes, but not yet for tax purposes.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredIncomeTaxesLiabilityCurrent" name="DeferredIncomeTaxesLiabilityCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The future effects on income taxes attributable to taxable temporary differences.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredIncomeTaxesCurrentPortion" name="DeferredIncomeTaxesCurrentPortion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The future effects on income taxes attributable to deductible temporary differences and carry forwards, current portion.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredIncomeTaxes" name="DeferredIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period deferred income taxes balances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredHedgingGainLossNetTaxEffect" name="DeferredHedgingGainLossNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Accumulated gains and losses from hedges that meet hedge criteria are generally recognized in current income when gains and losses on the hedged item are reported in current income.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredForeignIncomeTax" name="DeferredForeignIncomeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The change during the year in the entity's deferred tax liabilities and assets due to timing differences between the reporting of revenues and expenses for financial statements and tax forms for foreign government reporting purposes.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredFinancingCosts" name="DeferredFinancingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Costs associated with obtaining financing which are amortized over more than one year.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredFederalIncomeTax" name="DeferredFederalIncomeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The change during the year in the entity's deferred tax liabilities and assets due to timing differences between the reporting of revenues and expenses for financial statements and tax forms for federal government reporting purposes.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredESOPBenefits" name="DeferredESOPBenefits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Employee stock ownership plan benefits that have been deferred.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredDebtLongTerm" name="DeferredDebtLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Debt that has been extended or re-scheduled.  Includes both subordinated and non-subordinated debt.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredCompensationOnRestrictedStock" name="DeferredCompensationOnRestrictedStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The amount of deferred compensation amortized during the year on restricted stock.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredCompensationEquity" name="DeferredCompensationEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Deferred compensation arrangement arising from capital shares issued or to be issued to officers or employees at prices below market </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DeferredCompensation" name="DeferredCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Obligation owed to employees who defer a portion of their compensation to be paid in the future.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DebtRelatedCommitmentFees" name="DebtRelatedCommitmentFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Origination fee paid up-front for a loan.  Nonrefundable fees associated with lending, committing to lend, or purchasing a loan or a group of loans.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DebtCapitalLeaseObligationsShortTermLongTerm" name="DebtCapitalLeaseObligationsShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Agreement by which an owner of property (e.g. cash), called the lender, allows another party , the borrower, to use the property.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DebtCapitalLeaseObligationsLongTerm" name="DebtCapitalLeaseObligationsLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Agreement by which an owner of property (e.g. cash), called the lender, allows another party , the borrower, to use the property, the portion which is due in one year or less in the future  --plus--  Obligation related to a capital lease, the portion which is due in one year (operating cycle) or less.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_DebtCapitalLeaseObligationsCurrent" name="DebtCapitalLeaseObligationsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Agreement by which an owner of property (e.g. cash), called the lender, allows another party , the borrower, to use the property, the portion which is due in one year or less in the future  --plus--  Obligation related to a capital lease, the portion which is due in more than one year (operating cycle).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CustomerAdvancesDepositsShortTermLongTerm" name="CustomerAdvancesDepositsShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Customer's property (e.g. cash) held to1) be returned once contract is completed or  2) pay obligation once service or product is rendered (total).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CustomerAdvancesDepositsLongTerm" name="CustomerAdvancesDepositsLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Customer's property (e.g. cash) held to1) be returned once contract is completed or  2) pay obligation once service or product is rendered  - Long Term.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CustomerAdvancesDepositsCurrent" name="CustomerAdvancesDepositsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Customer's property (e.g. cash) held to1) be returned once contract is completed or  2) pay obligation once service or product is rendered.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CurrentTaxAssets" name="CurrentTaxAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The future effects on income taxes attributable to deductible temporary differences and carry forwards and federal, state or local income tax refunds due within one year or less.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CurrentStateLocalTaxes" name="CurrentStateLocalTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The amount of income tax paid or payable (or refundable) for a year as determined by applying the enacted state and local tax law to the taxable income(loss).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CurrentPortionLongTermDebt" name="CurrentPortionLongTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The sum of all debt which is due within one year or less.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CurrentOtherTax" name="CurrentOtherTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The amount of income tax paid or payable (or refundable) for a year as determined by applying other enacted tax laws to the taxable income(loss).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CurrentIncomeTaxExpenseBenefit" name="CurrentIncomeTaxExpenseBenefit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The amount of income tax paid or payable (or refundable) for a year as determined by applying the enacted tax law to the taxable income(Loss).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CurrentForeignTax" name="CurrentForeignTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The amount of income tax paid or payable (or refundable) for a year as determined by applying the enacted foreign tax laws to the taxable income(loss).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CurrentFederalTax" name="CurrentFederalTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>The amount of income tax paid or payable (or refundable) for a year as determined by applying the enacted federal tax law to the taxable income(loss).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CumulativeTranslationAdjustmentNetTaxEffect" name="CumulativeTranslationAdjustmentNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Accumulated balance sheet adjustment for converting foreign investments into the company's own currency on a particular day.  The difference between the investment value in the foreign currency and the investment value in the company's own currency at a particular point in time.   Also used for investments in subsidiaries which are of a different currency.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare" name="CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cumulative Effect of Change in Accounting Principle, Net of Tax Effect per Outstanding Share.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare" name="CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Cumulative effect of change in accounting principle, net of tax effect per Diluted Share.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" name="CumulativeEffectChangeAccountingPrincipleNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Effect, net of tax, of switching from one accounting principle to another.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple" name="CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Tax effect of the cumulative adjustment to equity due to a change in accounting principle</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross" name="CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Gross cumulative adjustment to equity due to a change in accounting principle</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CumulativeEffectChangeAccountingPrincipleNet" name="CumulativeEffectChangeAccountingPrincipleNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cumulative adjustment to equity due to a change in accounting principle, net </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CumulativeEffectChangeAccountingPrinciple" name="CumulativeEffectChangeAccountingPrinciple" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change from the adoption of a generally accepted accounting principle different from the one previously used for reporting purposes.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostServicesOverhead" name="CostServicesOverhead" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amount of indirect costs allocated to the delivery of services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostServicesOther" name="CostServicesOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Other costs incurred in the delivery of services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostServicesDirectMaterials" name="CostServicesDirectMaterials" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Inventory consumed directly in the delivery of services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostServicesDirectLabor" name="CostServicesDirectLabor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Labor incurred directly in the delivery of services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostServicesDepreciation" name="CostServicesDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>That part of depreciation related directly to the delivery of services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostServices" name="CostServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Costs incurred to deliver services. May include direct materials, direct labor, overhead, depreciation and other.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostGoodsSoldOverhead" name="CostGoodsSoldOverhead" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amount of indirect costs allocated to the production of products.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostGoodsSoldOther" name="CostGoodsSoldOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Other costs incurred in the production of products.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostGoodsSoldDirectMaterials" name="CostGoodsSoldDirectMaterials" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Inventory consumed directly in the production of products.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostGoodsSoldDirectLabor" name="CostGoodsSoldDirectLabor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Labor incurred directly in the production of products.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostGoodsSoldDepreciation" name="CostGoodsSoldDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>That part of depreciation related directly to the production of products.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostGoodsSold" name="CostGoodsSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Costs incurred to produce goods for sale. May include direct materials, direct labor, overhead, depreciation and other.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CostGoodsServicesSold" name="CostGoodsServicesSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Costs incurred to produce goods for sale and/or to deliver services. May include direct materials, direct labor, overhead, depreciation and other.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertibleSecuritiesTreasuryStockParValue" name="ConvertibleSecuritiesTreasuryStockParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of convertible treasury stock recorded at par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertibleSecuritiesTreasuryStockNumberShares" name="ConvertibleSecuritiesTreasuryStockNumberShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of convertible treasury stock shares.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertibleSecuritiesRetainedEarnings" name="ConvertibleSecuritiesRetainedEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Effect on Retained Earnings of convertible common and/or treasury stock.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertibleSecuritiesCommonStockParValue" name="ConvertibleSecuritiesCommonStockParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of convertible common stock recorded at par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertibleSecuritiesCommonStockNumberShares" name="ConvertibleSecuritiesCommonStockNumberShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of convertible common stock shares.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertibleSecuritiesAdditionalPaidCapital" name="ConvertibleSecuritiesAdditionalPaidCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of convertible common and/or treasury stock recorded above par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertibleSecurities" name="ConvertibleSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Total value and number of shares of convertible securities (Common and Treasury Stock).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertiblePreferredStockShareSubscriptions" name="ConvertiblePreferredStockShareSubscriptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Amount of convertible preferred stock allocated to existing shareholders of an entity to buy shares of a new issue of preferred stock before it is offered to the public.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertiblePreferredStockSharesOutstanding" name="ConvertiblePreferredStockSharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of convertible preferred shares issued by an entity and held by shareholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertiblePreferredStockSharesIssued" name="ConvertiblePreferredStockSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Convertible preferred shares of an entity, authorized in the corporate charter, which have been issued and are outstanding.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertiblePreferredStockSharesAuthorized" name="ConvertiblePreferredStockSharesAuthorized" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The maximum number of convertible preferred shares permitted to be issued by an entity's charter and bylaws.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertiblePreferredStockParValuePerShare" name="ConvertiblePreferredStockParValuePerShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Face amount or stated value of convertible preferred stock and not the actual value it would receive on the open market.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertiblePreferredStock" name="ConvertiblePreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Preferred stock which has the characteristic of allowing shareholders  to exchange their preferred shares for common shares - usually under certain conditions.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConvertibleDebt" name="ConvertibleDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Convertible Debt.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConversionDebtSecurities" name="ConversionDebtSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Conversion of Debt Securities</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ContractReceivablesNet" name="ContractReceivablesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Receivables arising from the contracting of goods and services, net for uncollectible accounts.  This would also include retainage.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ConstructionProgress" name="ConstructionProgress" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Partially completed tangible assets that when complete will be used in the production or supply of goods and services for rental to others, or for administrative purposes.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ComputerSoftwareCostsNet" name="ComputerSoftwareCostsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Historical cost of acquired or internally developed software, net of accumulated depreciation.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ComputerSoftwareCostsGross" name="ComputerSoftwareCostsGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Historical cost of acquired or internally developed software.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockTransactionsNet" name="CommonStockTransactionsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Net payments and proceeds received from all common stock transactions</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockShareSubscriptions" name="CommonStockShareSubscriptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Amount of common stock allocated to existing shareholders of an entity to buy shares of a new issue of common stock before it is offered to the public.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockSharesOutstanding" name="CommonStockSharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares issued by an entity and held by shareholders - excludes shares that are not held in treasury.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockSharesIssued" name="CommonStockSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Share of an entity, authorized in the corporate charter, which have been issued and are outstanding.  These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockSharesAuthorized" name="CommonStockSharesAuthorized" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The maximum number of shares permitted to be issued by an entity's charter and bylaws.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockPurchasedRetiredParValue" name="CommonStockPurchasedRetiredParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of common stock that has been purchased and retired by an entity recorded at par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockPurchasedRetiredNumberShares" name="CommonStockPurchasedRetiredNumberShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of common stock that has been purchased and retired by an entity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockPurchasedRetired" name="CommonStockPurchasedRetired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Total value of common stock that has been purchased and retired by an entity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockParValuePerShare" name="CommonStockParValuePerShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Face amount or stated value of capital stock and not the actual value it would receive on the open market.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockParEndingBalance" name="CommonStockParEndingBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Common Stock at Par - Balance at the end of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockParBeginningBalance" name="CommonStockParBeginningBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Common Stock at Par - Balance at the beginning of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockNumberSharesEndingBalance" name="CommonStockNumberSharesEndingBalance" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of common stock at the end of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockNumberSharesBeginningBalance" name="CommonStockNumberSharesBeginningBalance" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of common stock at the beginning of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedStockSplitsParValue" name="CommonStockIssuedStockSplitsParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of common stock issued as a result of stock splits recorded at par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedStockSplitsNumberShares" name="CommonStockIssuedStockSplitsNumberShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of common stock issued as a result of stock splits.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedStockSplitsAdditionalPaidCapital" name="CommonStockIssuedStockSplitsAdditionalPaidCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of common stock issued as a result of stock splits recorded above par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedStockSplits" name="CommonStockIssuedStockSplits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Total value of common stock issued by an entity as a result of stock splits.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedProfitSharingPlanRetainedEarnings" name="CommonStockIssuedProfitSharingPlanRetainedEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Effect on Retained Earnings of common stock issued as a result of employee Profit Sharing Plans.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedProfitSharingPlanParValue" name="CommonStockIssuedProfitSharingPlanParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Value of common stock issued as a result of employee Profit Sharing Plans recorded at par value</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedProfitSharingPlanNumberShares" name="CommonStockIssuedProfitSharingPlanNumberShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of common stock issued as a result of employee Profit Sharing Plans</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedProfitSharingPlanAdditionalPaidCapital" name="CommonStockIssuedProfitSharingPlanAdditionalPaidCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Value of common stock issued as a result of employee Profit Sharing Plans recorded above par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedProfitSharingPlan" name="CommonStockIssuedProfitSharingPlan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Common Stock Issued in association with employee profit sharing plans</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedInitialPublicOfferingParValue" name="CommonStockIssuedInitialPublicOfferingParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of common stock issued in an initial public offering recorded at par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedInitialPublicOfferingNumberShares" name="CommonStockIssuedInitialPublicOfferingNumberShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of common stock issued in an initial public offering.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedInitialPublicOfferingAdditionalPaidCapital" name="CommonStockIssuedInitialPublicOfferingAdditionalPaidCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of common stock issued  in an initial public offering recorded above par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedInitialPublicOffering" name="CommonStockIssuedInitialPublicOffering" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Total value of common stock issued by an entity in an initial public offering.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedEmployeeStockPurchasePlanRetainedEarnings" name="CommonStockIssuedEmployeeStockPurchasePlanRetainedEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Effect on Retained Earnings of stock issued as a result of employee stock purchase plans.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedEmployeeStockPurchasePlanParValue" name="CommonStockIssuedEmployeeStockPurchasePlanParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of common stock issued as a result of employee stock purchase plan recorded at par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedEmployeeStockPurchasePlanNumberShares" name="CommonStockIssuedEmployeeStockPurchasePlanNumberShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of common stock issued as a result of employee stock purchase plan.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedEmployeeStockPurchasePlanAdditionalPaidCapital" name="CommonStockIssuedEmployeeStockPurchasePlanAdditionalPaidCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Value of common stock issued as a result of employee stock purchase plan recorded above par value.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedEmployeeStockPurchasePlan" name="CommonStockIssuedEmployeeStockPurchasePlan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Total value of common stock issued by an entity as a result of employee stock purchase plan.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedEmployeesRestrictedSharesRetainedEarnings" name="CommonStockIssuedEmployeesRestrictedSharesRetainedEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_CommonStockIssuedEmployeesRestrictedSharesParValue" name="CommonStockIssuedEmployeesRestrictedSharesParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Par Value of Employee  Restricted Shares of common stock. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedEmployeesRestrictedSharesNumberShares" name="CommonStockIssuedEmployeesRestrictedSharesNumberShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of Employee Restricted Shares issued.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedEmployeesRestrictedSharesAdditionalPaidCapital" name="CommonStockIssuedEmployeesRestrictedSharesAdditionalPaidCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Value of Employee  Restricted Shares of common stock recorded above par value. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockIssuedEmployeesRestrictedShares" name="CommonStockIssuedEmployeesRestrictedShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Issuance of employee stock that is tied to a contingency that must be met in order to keep the full value of the award.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStockDescription" name="CommonStockDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Description of the Type or Class of Common Stock</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonStock" name="CommonStock" type="xbrli:tupleType" substitutionGroup="xbrli:tuple">
    <annotation>
      <documentation>Security representing an ownership interest in an entity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonDividendsPaidStock" name="CommonDividendsPaidStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Common Dividends Paid - Stock</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommonDividendsPaidCash" name="CommonDividendsPaidCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Common Dividends Paid - Cash</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommitmentsContingencies" name="CommitmentsContingencies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Expected expenditure backed by an agreement and a potential future liability as a result of an outcome of a past event.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CommercialPaper" name="CommercialPaper" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Short-term unsecured obligations with maturities ranging from 2 to 270 days, issued by banks, corporations and other borrowers to investors.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_cne.tsh.nos.end" name="cne.tsh.nos.end" type="xbrli:sharesItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Number of shares of treasury stock at the end of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeUnrealizedGainsLossesOnTradingSecuritiesNetTaxEffect" name="ChangeUnrealizedGainsLossesOnTradingSecuritiesNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The change in accumulated unrealized gains and losses included in earning from debt and equity securities that are bought and held principally for the purpose of selling them in the near future (trading securities).  Net of tax effect.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesTaxEffect" name="ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Tax effect of the change in accumulated unrealized holding gains and losses on securities available for sale, or that result from the transfer of a debt security being transferred from 'hold-to-maturity' category to 'avail-for-sale'. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect" name="ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The change in accumulated unrealized holding gains and losses on securities available for sale, or that result from the transfer of a debt security being transferred from 'hold-to-maturity' category to 'avail-for-sale'. Increases or decreases in the fair value of securities available for sale that occur after such securities have been written down as impaired.  Component of 'Other Comprehensive Income'.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeUnrealizedGainLossOnMarketableSecuritiesTaxEffect" name="ChangeUnrealizedGainLossOnMarketableSecuritiesTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Tax effect of the change in accumulated unrealized holding gains and losses on securities available for sale, or that result from the transfer of a debt security being transferred from 'hold-to-maturity' category to 'avail-for-sale'. </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeUnrealizedGainLossOnMarketableSecuritiesNetTaxEffect" name="ChangeUnrealizedGainLossOnMarketableSecuritiesNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The change in accumulated unrealized holding gains and losses on securities available for sale, or that result from the transfer of a debt security being transferred from 'hold-to-maturity' category to 'avail-for-sale'. Increases or decreases in the fair value of securities available for sale that occur after such securities have been written down as impaired.  Net of tax effect.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeShortTermInvestments" name="ChangeShortTermInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_ChangeShortTermBorrowings" name="ChangeShortTermBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="usfr-pt_ChangeReceivables" name="ChangeReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Receivables balances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangePrepaidPensionCosts" name="ChangePrepaidPensionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Prepaid Pension costs.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeOtherLiabilities" name="ChangeOtherLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period balances for other liabilities that have not otherwise been defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeOtherCurrentLiabilities" name="ChangeOtherCurrentLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Other Current Liabilities balances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeOtherCurrentAssets" name="ChangeOtherCurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Other Current Assets balances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeOtherAssetsNet" name="ChangeOtherAssetsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Other Assets balances resulting in cash proceeds or payments.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeOtherAssets" name="ChangeOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period balances for other assets accounts that have not otherwise been defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeOtherAccumulatedComprehensiveIncomeTaxEffect" name="ChangeOtherAccumulatedComprehensiveIncomeTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Tax effect of the change in cumulative amount of all the Other Comprehensive Income accounts not otherwise defined.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeOtherAccumulatedComprehensiveIncomeNetTaxEffect" name="ChangeOtherAccumulatedComprehensiveIncomeNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The change in cumulative amount of all the Other Comprehensive Income accounts not otherwise defined, net of tax effects.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeOperatingAssetsLiabilities" name="ChangeOperatingAssetsLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The description and net change of each operating assets and liabilities from the beginning to the end of the period.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeLiabilities" name="ChangeLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Changes in Liabilities</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeInventories" name="ChangeInventories" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Inventories balances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeInterestPayableNet" name="ChangeInterestPayableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Interest Payable balance.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeIncomeTaxesPayable" name="ChangeIncomeTaxesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Income Taxes Payable balances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeEmployeeRelatedLiabilities" name="ChangeEmployeeRelatedLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Employee Related Liabilities balances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeDeferredUnearnedCompensation" name="ChangeDeferredUnearnedCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The change in unrealized deferred compensation. Component of 'Other Comprehensive Income'.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeDeferredHedgingGainLossTaxEffect" name="ChangeDeferredHedgingGainLossTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Tax effect of the change in accumulated gains and losses from hedges that meet hedge criteria are generally recognized in current income when gains and losses on the hedged item are reported in current income.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeDeferredHedgingGainLossNetTaxEffect" name="ChangeDeferredHedgingGainLossNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The change in accumulated gains and losses from hedges that meet hedge criteria are generally recognized in current income when gains and losses on the hedged item are reported in current income.  Net of tax effect.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeCumulativeTranslationAdjustmentTaxEffect" name="ChangeCumulativeTranslationAdjustmentTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Tax effect of the change in accumulated balance sheet adjustment for converting foreign investments into the company's own currency on a particular day.  The difference between the investment value in the foreign currency and the investment value in the company's own currency at a particular point in time.   Also used for investments in subsidiaries which are of a different currency.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeCumulativeTranslationAdjustmentNetTaxEffect" name="ChangeCumulativeTranslationAdjustmentNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The change in accumulated balance sheet adjustment for converting foreign investments into the company's own currency on a particular day.  The difference between the investment value in the foreign currency and the investment value in the company's own currency at a particular point in time.   Also used for investments in subsidiaries which are of a different currency.  Net of tax effect</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeBankOverdraftsNet" name="ChangeBankOverdraftsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Bank Overdraft balances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeAssets" name="ChangeAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Changes In Assets</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeAdditionalMinimumPensionLiabilityTaxEffect" name="ChangeAdditionalMinimumPensionLiabilityTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The tax effect of the change the accumulated net losses recognized as an additional pension liability not yet recognized as a net periodic pension cost.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeAdditionalMinimumPensionLiabilityNetTaxEffect" name="ChangeAdditionalMinimumPensionLiabilityNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The change the accumulated net losses recognized as an additional pension liability not yet recognized as a net periodic pension cost, net of tax effects.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeAccumulatedComprehensiveIncomeTaxEffect" name="ChangeAccumulatedComprehensiveIncomeTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The tax effect of the change in cumulative amount of all the Comprehensive Income accounts.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_ChangeAccountsPayableAccruedExpenses" name="ChangeAccountsPayableAccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The net change in the beginning and end of period Accounts Payable and Accrued Expenses balances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashSurrenderValueLifeInsurance" name="CashSurrenderValueLifeInsurance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cash surrender value of life insurance on company officers.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashSaleGoodsServices" name="CashSaleGoodsServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash receipts in the period resulting from the sale of goods and services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashPaymentsRestructuring" name="CashPaymentsRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Amount of cash payments on restructuring charges</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashPaidEmployeesSuppliers" name="CashPaidEmployeesSuppliers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash payments to other suppliers and employees for other goods and services.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashInterestExpense" name="CashInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>If the indirect method is used, amounts of interest paid (net of amounts capitalized) during the period shall be provided in related disclosures.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashEquivalents" name="CashEquivalents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Short term investments, excluding items classified as marketable securities, with an original maturity less than 90 days. The risk of significant changes in value due to interest of credit risk is minimal, excluding restricted cash.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashDividendPreferredStockAmountPerShare" name="CashDividendPreferredStockAmountPerShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Amount per share cash dividend declared and/or paid by an entity to preferred shareholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashDividendPreferredStock" name="CashDividendPreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cash dividend declared and/or paid by an entity to preferred shareholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashDividendCommonStockAmountPerShare" name="CashDividendCommonStockAmountPerShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Amount per share cash dividend declared and/or paid by an entity to common shareholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashDividendCommonStock" name="CashDividendCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cash dividend declared and/or paid by an entity to common shareholders.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashCashEquivalentsShortTermInvestments" name="CashCashEquivalentsShortTermInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cash and short term investments with an original maturity less than one year, including restricted cash.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashCashEquivalentsEndYear" name="CashCashEquivalentsEndYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash and cash equivalents at the end of the year.  Cash equivalents are short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.  Generally, only investments with original maturities of three months or less qualify under the definition.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashCashEquivalentsBeginningYear" name="CashCashEquivalentsBeginningYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Cash and cash equivalents at the beginning of the year.  Cash equivalents are short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.  Generally, only investments with original maturities of three months or less qualify under the definition.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_CashCashEquivalents" name="CashCashEquivalents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Cash and short term, highly liquid investments that are readily convertible to known amounts of cash and are so near their maturity that they present negligible risk of changes in value due to changes in interest rates - usually with an original maturity less than 90 days, This includes restricted cash, treasury bills, commercial paper and money market funds and other operating cash balances. </documentation>
    </annotation>
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    <annotation>
      <documentation>Obligation related to a capital lease.</documentation>
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      <documentation>Obligation related to a capital lease, the portion which is due greater than one year (operating cycle) in the future.</documentation>
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    <annotation>
      <documentation>Obligation related to a capital lease, the portion which is due in one year or less in the future.</documentation>
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    <annotation>
      <documentation>Tangible assets financed by a capital lease agreement, net of adjustments and depreciation.</documentation>
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  <element id="usfr-pt_CapitalLeasedAssetsGross" name="CapitalLeasedAssetsGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Tangible assets financed by a capital lease agreement.  </documentation>
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  <element id="usfr-pt_CapitalAdditionsNet" name="CapitalAdditionsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Net proceeds/purchases of property, plant and equipment and other productive assets.  </documentation>
    </annotation>
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  <element id="usfr-pt_BusinessExitCostsChangesBalances" name="BusinessExitCostsChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Costs resulting from the disposition or abandonment of operations or productive assets. These costs may be incurred in connection with a change in strategic plan, or a managerial response to declines in demand, increasing costs or other environmental factors.</documentation>
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  <element id="usfr-pt_BusinessExitCosts" name="BusinessExitCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
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      <documentation>Business Exit Costs</documentation>
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      <documentation>Structures used in the conduct of business.  Including office, production, storage, building improvements and distribution facilities. </documentation>
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    <annotation>
      <documentation>Advance payments received from a customer prior to any costs being incurred in manufacturing a product to a customer's specification.</documentation>
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      <documentation>Basic earnings (net income) per Outstanding Share.</documentation>
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    <annotation>
      <documentation>Checks written in excess of existing cash balances. Overdrafts generally have a very short time frame for correction/repayment and are therefore more similar to short term bank financing than trade financing. </documentation>
    </annotation>
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      <documentation>Long lived assets held for sale. </documentation>
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    <annotation>
      <documentation>Long lived assets held for sale. </documentation>
    </annotation>
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    <annotation>
      <documentation>Long lived assets that are held for sale and anticipated to be sold in the near future (less than 12 months).</documentation>
    </annotation>
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    <annotation>
      <documentation>The legal obligations to perform activities related to the retirement of long lived .</documentation>
    </annotation>
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  <element id="usfr-pt_AssetImpairmentCharge" name="AssetImpairmentCharge" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>An impairment loss measured as the amount by which the carrying amount of the asset exceeds the fair value of the asset.</documentation>
    </annotation>
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    <annotation>
      <documentation>Liabilities owed to a related party not associated with a long-term obligation, which is when one entity has control or significant influence over another company.</documentation>
    </annotation>
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  <element id="usfr-pt_AmountsDueAffiliates" name="AmountsDueAffiliates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Liabilities owed to an affiliated company, example (which is an entity holding less than a majority of the common stock of another related company or if both companies are subsidiaries of a third company.. Also includes Liabilities of Parent to Sub.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AmortizationChangesBalances" name="AmortizationChangesBalances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Rational and systematic allocation of the cost of an intangible asset to the periods during which the related intangible assets are expected to provide benefits.</documentation>
    </annotation>
  </element>
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    <annotation>
      <documentation>The amount of expense charged against earnings by a company to write off the cost of an intangible possession.</documentation>
    </annotation>
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  <element id="usfr-pt_AllowanceDoubtfulAccounts" name="AllowanceDoubtfulAccounts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Estimate of uncollectible trade A/R that reduces the gross receivable to the amount expected to be collected.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" name="AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>This represents the adjustments to the period's net income (loss) to remove (a) the effects of all deferrals of past operating cash receipts and payments, such as changes during the period in inventory, deferred income, and the like, and all accruals of expected future operating cash receipts and payments, such as changes during the period in receivables and payables, and (b) the effects of all items whose cash effects are investing or financing cash flows, such as depreciation, amortization of goodwill, and gains or losses on sales of property, plant, and equipment and discontinued operations (which relate to investing activities), and gains or losses on extinguishment of debt (which is a financing activity).  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AdditionalPaidCapitalEndingBalance" name="AdditionalPaidCapitalEndingBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Balance of addiitonal paid in capital at the end of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AdditionalPaidCapitalBeginningBalance" name="AdditionalPaidCapitalBeginningBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Balance of addiitonal paid in capital at the beginning of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AdditionalPaidCapital" name="AdditionalPaidCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Amounts received at issuance in excess of the par or stated value of capital stock and amounts received from other transactions involving the entity's stock or stockholders.  Represents both common and preferred stock.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AdditionalMinimumPensionLiabilityNetTaxEffect" name="AdditionalMinimumPensionLiabilityNetTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The cumulative net losses recognized as an additional pension liability not yet recognized as a net periodic pension cost, net of tax effects.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" name="AcquisitionDivestitureBusinessActivitiesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Acquisition and Divestiture of Business Activities, Net</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AcquisitionBusinessesNetCashAcquired" name="AcquisitionBusinessesNetCashAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>The cash paid to acquire businesses during the period, net of the cash acquired from the purchased businesses.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccumulatedDepreciationPPE" name="AccumulatedDepreciationPPE" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The cumulative amount of depreciation that has been recognized in the income statement, generally shown as a deduction from the historical cost of fixed assets.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccumulatedDepreciationAmortization" name="AccumulatedDepreciationAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The cumulative amount of depreciation and amortization that has been recognized in the income statement, generally shown as a deduction from the historical cost of fixed assets.  </documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccumulatedComprehensiveIncomeEndingBalance" name="AccumulatedComprehensiveIncomeEndingBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Balance of Accumulated Comprehensive Income at the end of the period</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccumulatedComprehensiveIncomeBeginningBalance" name="AccumulatedComprehensiveIncomeBeginningBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Accumulated Comprehensive Income - Beginning Balance</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccumulatedComprehensiveIncome" name="AccumulatedComprehensiveIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item">
    <annotation>
      <documentation>Accumulated Comprehensive Income</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccumulatedAmortizationIntangibleAssets" name="AccumulatedAmortizationIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The cumulative amount of amortization, generally shown as a deduction from the recorded amount of intangible assets.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccumulatedAmortizationComputerSoftwareCosts" name="AccumulatedAmortizationComputerSoftwareCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The cumulative amount of amortization that has been recognized in the income statement, generally shown as a deduction from the recorded  amount of computer software cost.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccumulatedAmortizationCapitalLeasedAssets" name="AccumulatedAmortizationCapitalLeasedAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>The cumulative amount of amortization that has been recognized in the income statement related to capital leased assets.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccruedVacation" name="AccruedVacation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligation for unused vacation owed to employees.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccruedTaxes" name="AccruedTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligation of all taxes, known and estimated.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccruedRoyalties" name="AccruedRoyalties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligation of royalties.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccruedInterest" name="AccruedInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>A receivable where interest has been earned but not paid since the last due date.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccruedInsurance" name="AccruedInsurance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligation of insurance costs due to third parties.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccruedIncome" name="AccruedIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Income earned but not yet billed or received.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccruedExpenses" name="AccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Expenses incurred at the end of the reporting period but not yet paid.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccruedBonuses" name="AccruedBonuses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligations of employee bonuses.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccruedAdvertising" name="AccruedAdvertising" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Unpaid obligation of advertising costs due to third parties.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccountsReceivableTradeNet" name="AccountsReceivableTradeNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Total amount of accounts receivable, less allowances.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccountsReceivableTradeGross" name="AccountsReceivableTradeGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Receivables arising from the sale of goods and services provided in the normal course of business which are usually due within 1 year (or one business cycle).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccountsReceivableRelatedPartyNet" name="AccountsReceivableRelatedPartyNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Amounts due from related parties - including affiliates, net of allowance.  Affiliates are defined as parties which are directly or indirectly controlled by, under the control of, or is under common control with the entity.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccountsReceivableRelatedPartyCurrent" name="AccountsReceivableRelatedPartyCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="debit">
    <annotation>
      <documentation>Current receivables arising from transactions with parties associated with the reporting entity which are usually due within 1 year (or one business cycle).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccountsPayableRelatedPartyShortTermLongTerm" name="AccountsPayableRelatedPartyShortTermLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Accounts payable owed to a related party, which is when one entity has control or significant influence over another company.</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccountsPayableAccruedExpenses" name="AccountsPayableAccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Amounts due to third parties for goods or services received.  Amounts have usually been invoiced. (accounts payable).   Expenses incurred at the end of the reporting period but not yet paid (accrued expenses).</documentation>
    </annotation>
  </element>
  <element id="usfr-pt_AccountsPayable" name="AccountsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:balance="credit">
    <annotation>
      <documentation>Amounts due to third parties for goods or services received.  Amounts have usually been invoiced.</documentation>
    </annotation>
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  <element id="usfr-pt_Number" name="Number" type="string" substitutionGroup="link:part" />
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