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Income Taxes - Additional Information (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
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Dec. 31, 2014 | Dec. 31, 2012 | Dec. 31, 2013
Income Tax Disclosure [Abstract] |  |  |
Tax recognized on repatriation of earnings in connection with Sealy Acquisition |  | $ 48.1us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions |
Tax benefit recorded on repatriation of earnings | 63.9tpx_TaxBenefitRecordedonRepatriationofEarnings |  |
Royalty rate assessed on Danish earnings (percentage) | 20.00%tpx_RoyaltyRateAssessedonDanishEarnings |  |
Income tax assessment from Danish tax authority | 215.1tpx_IncomeTaxAssessmentFromDanishTaxAuthority |  |
Unrecognized tax benefits | 47.6us-gaap_UnrecognizedTaxBenefits | 12.9us-gaap_UnrecognizedTaxBenefits | 26.1us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits that would impact effective tax rate | 44.6us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |  | 22.2us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Accrued interest and penalties | $ 10.3us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | $ 5.8us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | $ 11.0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

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- Definition Total tax assessment from Danish Tax Authority including interest and penalty. + References No definition available. + Details
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- Definition Royalty Rate Assessed on Danish Earnings + References No definition available. + Details
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- Definition Tax Benefit Recorded on Repatriation of Earnings + References No definition available. + Details
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- Details
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- Definition Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28446-109314 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28511-109314 + Details
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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Unrecognized Tax Benefit -URI http://asc.fasb.org/extlink&oid=6527854 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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