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Acquisitions and Divestitures - Additional Information (Details) - Tempur North America - USD ($) $ in Millions	Oct. 03, 2016	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Ownership percentage by parent	51.00%		51.00%
Ownership percentage by noncontrolling owners		49.00%	49.00%
Net consideration transferred	$ 7.7
Business Acquisition, Percentage of Voting Interests Acquired		49.00%

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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.

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- 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
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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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

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