CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income before non-controlling interests	$ 196.5	$ 74.7	$ 110.0
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments, net of tax	(4.5)	(61.4)	(38.4)
Net change in unrecognized gain on interest rate swap, net of tax	0.0	0.7	0.7
Net change in pension benefits, net of tax	(0.8)	1.0	(5.6)
Unrealized (loss) income on cash flow hedging derivatives, net of tax	(6.0)	5.3	1.3
Other comprehensive loss, net of tax	(11.3)	(54.4)	(42.0)
Comprehensive income	185.2	20.3	68.0
Less: Comprehensive (loss) income attributable to non-controlling interests	(5.6)	1.2	1.1
Comprehensive income attributable to Tempur Sealy International, Inc.	$ 190.8	$ 19.1	$ 66.9