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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

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Data Type:	xbrli:monetaryItemType
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Commitments and Contingencies - Litigation and Environmental Contingencies (Details) $ / shares in Units, shares in Millions, $ in Millions	Jun. 27, 2013 shares	Mar. 13, 2013 USD ($)	Jun. 25, 2012 officer	Jun. 20, 2012 officer	Mar. 13, 2015 $ / shares
Loss Contingencies [Line Items]
Loss contingency, number of defendants \| officer			2	2
Class Action Lawsuits Relating To Merger
Loss Contingencies [Line Items]
Number of shares held by shareholders who sent notices to exercise rights as per merger agreement \| shares	3.1
Sealy \| Class Action Lawsuits Relating To Merger
Loss Contingencies [Line Items]
Cash price per share (in dollars per share) \| $ / shares					$ 2.20
Net consideration transferred \| $		$ 0.6