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v2.4.1.9

Summary of Significant Accounting Policies - Additional Information (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 facility | Dec. 31, 2013 | Dec. 31, 2012
Business Acquisition [Line Items] |  |  |
Noncontrolling interest, ownership percentage by parent | 100.00%us-gaap_MinorityInterestOwnershipPercentageByParent |  |
Depreciation expense | $ 57.7us-gaap_Depreciation | $ 59.4us-gaap_Depreciation | $ 30.9us-gaap_Depreciation
Product warranty accrual, current | 16.1us-gaap_ProductWarrantyAccrualClassifiedCurrent | 14.9us-gaap_ProductWarrantyAccrualClassifiedCurrent |
Product warranty accrual, noncurrent | 15.2us-gaap_ProductWarrantyAccrualNoncurrent | 11.2us-gaap_ProductWarrantyAccrualNoncurrent |
Allowance for doubtful accounts included in accounts receivable, net | 19.5us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent | 19.3us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent |
Shipping and handling included in net sales | 14.7tpx_ShippingAndHandlingIncludedInNetSales | 12.5tpx_ShippingAndHandlingIncludedInNetSales | 4.9tpx_ShippingAndHandlingIncludedInNetSales
Shipping and handling included in cost of sales | 169.2tpx_ShippingAndHandlingIncludedInCostOfSales | 142.5tpx_ShippingAndHandlingIncludedInCostOfSales | 99.7tpx_ShippingAndHandlingIncludedInCostOfSales
Other income, net of expense | 15.6us-gaap_OtherIncome |  |
Advertising costs charged to expense | 326.7us-gaap_AdvertisingExpense | 274.2us-gaap_AdvertisingExpense | 164.5us-gaap_AdvertisingExpense
Advertising costs deferred and included in Prepaid expenses and other current assets | 9.7us-gaap_PrepaidAdvertising | 8.5us-gaap_PrepaidAdvertising |
Research and development costs charged to expense | 21.6us-gaap_ResearchAndDevelopmentExpense | 21.0us-gaap_ResearchAndDevelopmentExpense | 15.6us-gaap_ResearchAndDevelopmentExpense
Royalty revenue, net of royalty expense | 18.1tpx_RoyaltyRevenueNetofRoyaltyExpense | 13.7tpx_RoyaltyRevenueNetofRoyaltyExpense |
Self insurance reserve, excess loss coverage per claim per year | 0.4tpx_SelfInsuranceReserveExcessLossCoveragePerClaimPerYear |  |
Self insurance reserve, current | 4.8us-gaap_SelfInsuranceReserveCurrent | 5.4us-gaap_SelfInsuranceReserveCurrent |
Self insurance reserve, noncurrent | $ 10.0us-gaap_SelfInsuranceReserveNoncurrent | $ 9.5us-gaap_SelfInsuranceReserveNoncurrent |
Number of active plants | 4tpx_NumberOfActivePlants |  |
Number of previously closed US facilities | 8tpx_NumberOfPreviouslyClosedUSFacilities |  |
Term of supply agreements, minimum | 2 years |  |
Term of supply agreements, maximum | 5 years |  |
Sealy Canada |  |  |
Business Acquisition [Line Items] |  |  |
Noncontrolling interest, ownership percentage by parent | 100.00%us-gaap_MinorityInterestOwnershipPercentageByParent / us-gaap_BusinessAcquisitionAxis = tpx_SealyCanadaMember |  |
Variable Interest Entity, Primary Beneficiary | Comfort Revolution |  |  |
Business Acquisition [Line Items] |  |  |
Equity method investment, ownership percentage | 45.00%us-gaap_VariableInterestEntityOwnershipPercentage / us-gaap_BusinessAcquisitionAxis = tpx_ComfortRevolutionMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember |  |

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- Definition Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights. Net of offsetting royalty expenses. + References No definition available. + Details
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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
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