Summary of Significant Accounting Policies - Warranty Terms (Details)	12 Months Ended
	Dec. 31, 2016
Pillows | Non-prorated
Valuation and Qualifying Accounts Disclosure [Line Items]
Warranty term (in years)	3 years
Tempur North America | Mattresses | Minimum
Valuation and Qualifying Accounts Disclosure [Line Items]
Warranty term (in years)	10 years
Tempur North America | Mattresses | Minimum | Non-prorated
Valuation and Qualifying Accounts Disclosure [Line Items]
Warranty term (in years)	10 years
Tempur North America | Mattresses | Maximum
Valuation and Qualifying Accounts Disclosure [Line Items]
Warranty term (in years)	25 years
Tempur North America | Mattresses | Maximum | Non-prorated
Valuation and Qualifying Accounts Disclosure [Line Items]
Warranty term (in years)	15 years
Tempur International | Mattresses | Non-prorated
Valuation and Qualifying Accounts Disclosure [Line Items]
Warranty term (in years)	5 years
Tempur International | Mattresses | Prorated
Valuation and Qualifying Accounts Disclosure [Line Items]
Warranty term (in years)	10 years
Tempur International | Mattresses | Minimum
Valuation and Qualifying Accounts Disclosure [Line Items]
Warranty term (in years)	5 years
Tempur International | Mattresses | Maximum
Valuation and Qualifying Accounts Disclosure [Line Items]
Warranty term (in years)	15 years