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Acquisitions and Divestitures - Pro Forma Information (Details) - Sealy
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2013
USD ($)
$ / shares
Business Acquisition [Line Items]  
Net sales $ 2,757.2
Net income $ 90.9
Earnings per common share – Diluted (in dollars per share) | $ / shares $ 1.49