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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	9 Months Ended
	Sep. 30, 2014 officers
Class Action Lawsuits Relating To Merger
Loss Contingencies [Line Items]
Number of defendants	2
Number of shares held by shareholders who sent notices to exercise rights as per Merger Agreement	3.1
Required notice period	120
Cash per share price (in dollars per share)	$ 2.20

X

- Definition

Litigation Required Notice Period

+ References

No definition available.

+ Details

Name:	tpx_LitigationRequiredNoticePeriod
Namespace Prefix:	tpx_
Data Type:	us-types:durationStringItemType
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