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Acquisitions and Divestitures - Additional Information (Details) (USD $) | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 3 Months Ended
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Mar. 18, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Jul. 01, 2014 | Dec. 31, 2011 | Jun. 30, 2014 facility | Sep. 30, 2014
Sealy |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash price per share (in dollars per share) | $ 2.20us-gaap_BusinessAcquisitionSharePrice / us-gaap_BusinessAcquisitionAxis = us-gaap_SubsidiariesMember |  |  |  |  |  |  |
Net consideration transferred | $ 1,172,900,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = us-gaap_SubsidiariesMember |  |  |  |  |  |  |
Direct transaction costs |  | 0tpx_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts1 / us-gaap_BusinessAcquisitionAxis = us-gaap_SubsidiariesMember | 18,700,000tpx_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts1 / us-gaap_BusinessAcquisitionAxis = us-gaap_SubsidiariesMember | 8,900,000tpx_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts1 / us-gaap_BusinessAcquisitionAxis = us-gaap_SubsidiariesMember |  |  |  |
Incremental interest expense |  |  | 19,900,000tpx_BusinessAcquisitionIncrementalInterestExpense / us-gaap_BusinessAcquisitionAxis = us-gaap_SubsidiariesMember |  |  |  |  |
Total consideration | 1,225,100,000us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration / us-gaap_BusinessAcquisitionAxis = us-gaap_SubsidiariesMember |  |  |  |  |  |  |
Japanese Third Party Acquisition |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Net consideration transferred |  |  |  |  | 8,500,000us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = tpx_JapaneseThirdPartyAcquisitionMember |  |  |
Minimum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Fiscal period duration |  |  |  |  |  | 364 days |  |
Maximum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Fiscal period duration |  |  |  |  |  | 371 days |  |
U.S. Innerspring |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of divestitures |  |  |  |  |  |  | 3tpx_DisposalGroupIncludingDiscontinuedOperationNumberofDivestitures / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = tpx_U.S.InnerspringMember |
Total consideration |  |  |  |  |  |  | 47,800,000us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = tpx_U.S.InnerspringMember | 45,000,000us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = tpx_U.S.InnerspringMember
Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, Working Capital Adjustment |  |  |  |  |  |  |  | 2,800,000tpx_DiscontinuedOperationAmountofAdjustmenttoPriorPeriodGainLossonDisposalWorkingCapitalAdjustment / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = tpx_U.S.InnerspringMember
Assets of disposal group |  |  |  |  |  |  | 66,800,000us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = tpx_U.S.InnerspringMember |
Loss on disposal |  | 23,200,000us-gaap_GainLossOnSaleOfBusiness / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = tpx_U.S.InnerspringMember |  |  |  |  |  |
Transaction costs |  | $ 1,400,000tpx_DisposalGroupIncludingDiscontinuedOperationTransactionCosts / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = tpx_U.S.InnerspringMember |  |  |  |  |  |

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