CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income before non-controlling interest	$ 27.7	$ 12.5
Other comprehensive income (loss) before tax, net of tax
Foreign currency translation adjustments	0.8	(11.1)
Net change in unrecognized gain on interest rate swap, net of tax	0.1	0.4
Net change in unrecognized gain on foreign exchange forward contracts, net of tax	0.9	0
Other comprehensive income (loss), net of tax	1.8	(10.7)
Comprehensive income	29.5	1.8
Less: comprehensive loss attributable to non-controlling interest	0.3	0
Comprehensive income attributable to Tempur Sealy International, Inc.	$ 29.2	$ 1.8