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Stockholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Capital stock [Abstract] |  |
Common stock shares authorized (in shares) | 300,000,000 us-gaap_CommonStockSharesAuthorized |
Common stock par value (USD per share) | $ 0.01 us-gaap_CommonStockParOrStatedValuePerShare |
Preferred stock authorized shares (in shares) | 10,000 us-gaap_PreferredStockSharesAuthorized |
Other comprehensive (loss) income: |  |
Foreign currency translation adjustments | $ (37.6)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | $ 0.8 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Total other comprehensive income | (36.2)us-gaap_OtherComprehensiveIncomeLossNetOfTax | 1.8 us-gaap_OtherComprehensiveIncomeLossNetOfTax
Foreign Currency Translation |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Balance at beginning of period | (54.0)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | (15.6)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
Other comprehensive (loss) income: |  |
Foreign currency translation adjustments | (37.6)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | 0.8 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
Balance at end of period | (91.6)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | (14.8)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember
Interest Rate Swap |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Balance at beginning of period | (0.7)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | (1.4)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Other comprehensive (loss) income: |  |
Net change from period revaluations | 0.7 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | 0.7 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Tax expense | (0.3)tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxExpense / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | (0.3)tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxExpense / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Total other comprehensive income before reclassifications, net of tax | 0.4 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | 0.4 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Net amount reclassified to earnings | (0.5)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | (0.5)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Tax benefit | 0.2 tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxBenefit / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | 0.2 tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxBenefit / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Total amount reclassified from accumulated other comprehensive loss, net of tax | (0.3)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | (0.3)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Total other comprehensive income | 0.1 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | 0.1 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Balance at end of period | (0.6)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | (1.3)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Pension Benefits |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Balance at beginning of period | (2.4)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember | 3.2 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Other comprehensive (loss) income: |  |
Net change from period revaluations | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Tax expense | 0 tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxExpense / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember | 0 tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxExpense / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Total other comprehensive income before reclassifications, net of tax | 0 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember | 0 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Net amount reclassified to earnings | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Tax benefit | 0 tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxBenefit / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember | 0 tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxBenefit / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Total amount reclassified from accumulated other comprehensive loss, net of tax | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Total other comprehensive income | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Balance at end of period | (2.4)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember | 3.2 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Foreign Exchange Forward Contracts |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Balance at beginning of period | 1.3 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember | 0 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember
Other comprehensive (loss) income: |  |
Net change from period revaluations | 3.7 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember | 1.7 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember
Tax expense | (1.0)tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxExpense / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember | (0.4)tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxExpense / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember
Total other comprehensive income before reclassifications, net of tax | 2.7 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember | 1.3 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember
Net amount reclassified to earnings | (1.9)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember | (0.6)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember
Tax benefit | 0.5 tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxBenefit / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember | 0.2 tpx_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTaxBenefit / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember
Total amount reclassified from accumulated other comprehensive loss, net of tax | (1.4)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember | (0.4)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember
Total other comprehensive income | 1.3 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember | 0.9 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember
Balance at end of period | $ 2.6 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember | $ 0.9 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = tpx_AccumulatedForeignExchangeForwardContractAdjustmentMember

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