CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 1,211.0	$ 1,169.1	$ 2,450.5	$ 2,212.9
Cost of sales	714.5	650.9	1,431.2	1,235.8
Gross profit	496.5	518.2	1,019.3	977.1
Selling and marketing expenses	252.9	216.8	496.4	414.5
General, administrative and other expenses	102.3	85.1	199.9	164.6
Equity income in earnings of unconsolidated affiliates	(2.6)	(7.0)	(9.5)	(13.7)
Operating income	143.9	223.3	332.5	411.7
Other expense, net:
Interest expense, net	23.7	20.0	44.6	32.3
Loss on extinguishment of debt	0.0	18.0	0.0	23.0
Other expense (income), net	0.7	(0.1)	(0.6)	(0.4)
Total other expense, net	24.4	37.9	44.0	54.9
Income from continuing operations before income taxes	119.5	185.4	288.5	356.8
Income tax provision	(28.3)	(44.7)	(66.4)	(85.2)
Income from continuing operations	91.2	140.7	222.1	271.6
Loss from discontinued operations, net of tax	0.0	(0.3)	0.0	(0.5)
Net income before non-controlling interests	91.2	140.4	222.1	271.1
Less: Net income (loss) attributable to non-controlling interests	0.6	(0.4)	0.8	(0.2)
Net income attributable to Tempur Sealy International, Inc.	$ 90.6	$ 140.8	$ 221.3	$ 271.3
Earnings per common share:
Basic (in dollars per share)	$ 0.52	$ 0.72	$ 1.24	$ 1.36
Diluted (in dollars per share)	$ 0.51	$ 0.69	$ 1.20	$ 1.32
Weighted average common shares outstanding:
Basic (in shares)	174.1	197.0	178.3	200.4
Diluted (in shares)	178.8	204.1	183.7	204.9