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Commitments and Contingencies - Litigation relating to Merger (Details) (Class Action Lawsuits Relating To Merger, USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended		12 Months Ended
	Jun. 27, 2013	Jun. 25, 2012 officer	Dec. 31, 2013	Mar. 13, 2015
Class Action Lawsuits Relating To Merger
Loss Contingencies [Line Items]
Number of defendants		2us-gaap_LossContingencyNumberOfDefendants / us-gaap_LitigationCaseAxis = tpx_ClassActionLawsuitsRelatingToMergerMember
Number of shares held by shareholders who sent notices to exercise rights as per Merger Agreement	3.1tpx_NumberOfSharesHeldByShareholdersWhoSentNoticesToExerciseRightsAsPerMergerAgreement / us-gaap_LitigationCaseAxis = tpx_ClassActionLawsuitsRelatingToMergerMember
Required notice period	120 days
Cash per share price (in dollars per share)				$ 2.20us-gaap_BusinessAcquisitionSharePrice / us-gaap_LitigationCaseAxis = tpx_ClassActionLawsuitsRelatingToMergerMember
Cash already received by acquiree			$ 0.6us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_LitigationCaseAxis = tpx_ClassActionLawsuitsRelatingToMergerMember

X

- Definition

Litigation Required Notice Period

+ References

No definition available.

+ Details

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

X

- Definition

Represents the number of shares held by the shareholders who sent notices to Sealy purporting to exercise their appraisal rights in accordance with the Merger Agreement.

+ References

No definition available.

+ Details

Name:	tpx_NumberOfSharesHeldByShareholdersWhoSentNoticesToExerciseRightsAsPerMergerAgreement
Namespace Prefix:	tpx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

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

X

- Definition

Number of defendants named in a legal action.

+ References

No definition available.

+ Details

Name:	us-gaap_LossContingencyNumberOfDefendants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration