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Goodwill and Other Intangible Assets - Other Intangible Assets and Expected Future Amortization Expense (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Gross carrying amount, total $ 801.2tpx_GrossCarryingAmount $ 806.9tpx_GrossCarryingAmount  
Accumulated Amortization 74.1us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization 56.8us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization  
Net Carrying Amount 727.1us-gaap_IntangibleAssetsNetExcludingGoodwill 750.1us-gaap_IntangibleAssetsNetExcludingGoodwill  
Finite-Lived Intangible Assets, Net [Abstract]      
Amortization expense relating to intangible assets 18.5us-gaap_AmortizationOfIntangibleAssets 15.2us-gaap_AmortizationOfIntangibleAssets 5.4us-gaap_AmortizationOfIntangibleAssets
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]      
2015 18.3us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths    
2016 17.9us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo    
2017 16.6us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree    
2018 15.6us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour    
2019 15.4us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive    
Trade names      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Gross carrying amount - indefinite life intangible assets 569.0us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
575.3us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
 
Accumulated Amortization 0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
 
Net Carrying Amount 569.0us-gaap_IntangibleAssetsNetExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
575.3us-gaap_IntangibleAssetsNetExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksMember
 
Contractual distributor relationships      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Useful Lives (Years) 15 years    
Gross carrying amount - finite life intangible assets 88.2us-gaap_FiniteLivedIntangibleAssetsGross
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_ContractualOrDistributerRelationshipsMember
90.0us-gaap_FiniteLivedIntangibleAssetsGross
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_ContractualOrDistributerRelationshipsMember
 
Accumulated Amortization 10.4us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_ContractualOrDistributerRelationshipsMember
4.7us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_ContractualOrDistributerRelationshipsMember
 
Net Carrying Amount 77.8us-gaap_IntangibleAssetsNetExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_ContractualOrDistributerRelationshipsMember
85.3us-gaap_IntangibleAssetsNetExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_ContractualOrDistributerRelationshipsMember
 
Technology and other      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Gross carrying amount - finite life intangible assets 92.6us-gaap_FiniteLivedIntangibleAssetsGross
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_TechnologyMember
93.2us-gaap_FiniteLivedIntangibleAssetsGross
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_TechnologyMember
 
Accumulated Amortization 32.6us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_TechnologyMember
25.5us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_TechnologyMember
 
Net Carrying Amount 60.0us-gaap_IntangibleAssetsNetExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_TechnologyMember
67.7us-gaap_IntangibleAssetsNetExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_TechnologyMember
 
Technology and other | Minimum      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Useful Lives (Years) 4 years    
Technology and other | Maximum      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Useful Lives (Years) 10 years    
Patents, other trademarks, and other trade names      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Gross carrying amount - finite life intangible assets 27.3us-gaap_FiniteLivedIntangibleAssetsGross
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_PatentsOtherTrademarksMember
27.4us-gaap_FiniteLivedIntangibleAssetsGross
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_PatentsOtherTrademarksMember
 
Accumulated Amortization 14.6us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_PatentsOtherTrademarksMember
12.2us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_PatentsOtherTrademarksMember
 
Net Carrying Amount 12.7us-gaap_IntangibleAssetsNetExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_PatentsOtherTrademarksMember
15.2us-gaap_IntangibleAssetsNetExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= tpx_PatentsOtherTrademarksMember
 
Patents, other trademarks, and other trade names | Minimum      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Useful Lives (Years) 5 years    
Patents, other trademarks, and other trade names | Maximum      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Useful Lives (Years) 20 years    
Customer databases, relationships and reacquired rights      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Gross carrying amount - finite life intangible assets 24.1us-gaap_FiniteLivedIntangibleAssetsGross
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerListsMember
21.0us-gaap_FiniteLivedIntangibleAssetsGross
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerListsMember
 
Accumulated Amortization 16.5us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerListsMember
14.4us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerListsMember
 
Net Carrying Amount $ 7.6us-gaap_IntangibleAssetsNetExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerListsMember
$ 6.6us-gaap_IntangibleAssetsNetExcludingGoodwill
/ tpx_CombinedIndefiniteLivedAndFiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerListsMember
 
Customer databases, relationships and reacquired rights | Minimum      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Useful Lives (Years) 2 years    
Customer databases, relationships and reacquired rights | Maximum      
Intangible Assets, Combined Indefinite lived and Finite lived Intangible Assets by Major Class [Line Items]      
Useful Lives (Years) 5 years