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Summary of Significant Accounting Policies - Basis of presentation and description of business (Details) - 6 months ended Jun. 30, 2015 - channel	Total
Business Acquisition [Line Items]
Number of products sales channels	2
Comfort Revolution
Business Acquisition [Line Items]
Equity method investment, ownership percentage	45.00%

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Refers to the entity's number of products sales channels through which they sells their products.

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 810



-SubTopic 10



-Section 50



-Paragraph 5A



-Subparagraph (d)



-URI http://asc.fasb.org/extlink&oid=28200181&loc=SL6759159-111685

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