Summary of Significant Accounting Policies - Basis of presentation and of business (Details)	12 Months Ended		9 Months Ended
Dec. 31, 2013 facility	Dec. 31, 2013 Sealy Canada [Member]	Dec. 31, 2013 Variable Interest Entity, Primary Beneficiary [Member] Comfort Revolution [Member]
Business Acquisition [Line Items]
Number of Active Plants	4
Number of Previously Closed U S Facilities	8
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	100.00%
Equity Method Investment, Ownership Percentage			45.00%

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

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=7880789&loc=SL6759159-111685

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration