Name:	tpx_MultiemployerPlanNumberOfDomesticManufacturingFacilities
Namespace Prefix:	tpx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The percentage of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

No definition available.

Name:	tpx_MultiemployerPlanPeriodContributionsPercentage
Namespace Prefix:	tpx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Indicates the percentage whether the multiemployer plan is less than 65 percent funded, between 65 and less than 80 percent funded, or at least 80 percent funded. The acceptable values are: (1) "less than 65 percent", (2) "between 65 and less than 80 percent", (3) "at least 80 percent", and (4) "NA". A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

No definition available.

Name:	tpx_MultiemployerPlansFundedStatusPercentage
Namespace Prefix:	tpx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Represents percentage of surcharge to the pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

No definition available.

Name:	tpx_MultiemployerPlansSurchargeRate
Namespace Prefix:	tpx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Indicates the number of years a multi-employer plan is projected not to be a credit balance.

No definition available.

Name:	tpx_TimeInWhichMultiemployerPlanIsProjectedNotToBeCreditBalance
Namespace Prefix:	tpx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Indicates the number of years a multi-employer plan is projected to be a credit balance.

No definition available.

Name:	tpx_TimeInWhichMultiemployerPlanIsProjectedToBeCreditBalance
Namespace Prefix:	tpx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 55
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 35
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=29639808&loc=d3e29008-114946

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947

Name:	us-gaap_MultiemployerPlanEmployerContributionCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage of entity's employees covered by collective-bargaining arrangement (CBA) to all participants in multiemployer pension plan determined to be individually significant.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_MultiemployerPlansLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	tpx_MultiemployerPlansCertifiedZoneStatusAxis=tpx_RedMember
Namespace Prefix:
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Balance Type:
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Name:	tpx_MultiemployerPlansCertifiedZoneStatusAxis=tpx_YellowMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	tpx_MultiemployerPlansCertifiedZoneStatusAxis=tpx_GreenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RetirementPlanNameAxis=tpx_MultiemployerPlansHealthAndWelfareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RetirementPlanNameAxis=tpx_UnitedFurnitureWorkersPensionFundAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RetirementPlanNameAxis=tpx_PensionPlanOfTheNationalRetirementFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: