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Commitments and Contingencies - Environmental contingencies (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
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Mar. 31, 2015 | Dec. 31, 2012
Site Contingency [Line Items] |  |
Estimated Litigation Period (in years) | 5 years |
South Brunswick, New Jersey |  |
Site Contingency [Line Items] |  |
Accrued expenses associated with remediation project | 2.5 us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent / us-gaap_EnvironmentalRemediationSiteAxis = tpx_SouthBrunswickNewJerseyMember |
Oakville, Connecticut |  |
Site Contingency [Line Items] |  |
Accrual for Environmental Loss Contingencies |  | $ 0.1 us-gaap_AccrualForEnvironmentalLossContingencies / us-gaap_EnvironmentalRemediationSiteAxis = tpx_OakvilleConnecticutMember

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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
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