CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income before non-controlling interests	$ 91.2	$ 140.4	$ 222.1	$ 271.1
Other comprehensive income, net of tax:
Foreign currency translation adjustments	(57.8)	6.7	(75.3)	(4.1)
Other comprehensive (loss) income, net of tax	(57.8)	6.7	(75.3)	(4.1)
Comprehensive income	33.4	147.1	146.8	267.0
Less: Comprehensive income (loss) attributable to non-controlling interests	0.6	(0.4)	0.8	(0.2)
Comprehensive income attributable to Tempur Sealy International, Inc.	$ 32.8	$ 147.5	$ 146.0	$ 267.2