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Summary of Significant Accounting Policies - Basis of presentation and description of business (Details) | 3 Months Ended
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Mar. 31, 2015 channel
Business Acquisition [Line Items] |
Number of products sales channels | 2 tpx_NumberOfProductsSalesChannels
Comfort Revolution |
Business Acquisition [Line Items] |
Equity method investment, ownership percentage | 45.00%us-gaap_VariableInterestEntityOwnershipPercentage / dei_LegalEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember

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- Definition Refers to the entity's number of products sales channels through which they sells their products. + References No definition available. + Details
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Namespace Prefix: | tpx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28200181&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |