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Non-controlling Interests (Details)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Oct. 03, 2016
Comfort Revolution
Redeemable Noncontrolling Interest
Redemption value of put and call arrangement as a percentage of EBITDA	7.5
Period of EBITDA considered for redemption value	12 months
Percentage of noncontrolling interest from the acquisition	55.00%
Tempur North America
Redeemable Noncontrolling Interest
Ownership percentage by parent		51.00%	51.00%
Ownership percentage by noncontrolling owners	49.00%	49.00%
Business Acquisition, Percentage of Voting Interests Acquired	49.00%

X

- Definition

Represents the percentage of noncontrolling interest acquired in the business combination by the entity, being a party to put and call arrangement with respect to the common securities.

+ References

No definition available.

+ Details

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Period Type:	instant

X

- Definition

Represents the preceding period of which EBITDA is considered for arriving at redemption value.

+ References

No definition available.

+ Details

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X

- Definition

Represents the multiplier of EBITDA used for arriving at redemption value (expressed as a percentage).

+ References

No definition available.

+ Details

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Namespace Prefix:	tpx_
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X

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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X

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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X

- Definition

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.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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