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Acquisitions and Divestitures - Additional Information (Details)
$ in Millions
3 Months Ended 12 Months Ended
Oct. 03, 2016
USD ($)
Jun. 30, 2014
USD ($)
facility
Sep. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2016
U.S. Innerspring          
Business Acquisition [Line Items]          
Number of divestitures | facility   3      
Total consideration   $ 47.8 $ 45.0    
Other non-cash consideration   1.5      
Working capital adjustment     $ 2.8    
Assets of disposal group   $ 66.8      
Gain (loss) on disposal       $ (23.2)  
Transaction costs       $ 1.4  
Tempur North America          
Business Acquisition [Line Items]          
Noncontrolling interest, ownership percentage by parent 51.00%       51.00%
Noncontrolling interest, ownership percentage by noncontrolling owners         49.00%
Net consideration transferred $ 7.7