CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net sales	$ 1,283.3	$ 1,358.3	$ 3,733.8	$ 3,571.2
Cost of sales	742.2	781.2	2,173.4	2,017.0
Gross profit	541.1	577.1	1,560.4	1,554.2
Selling and marketing expenses	248.3	243.8	744.7	658.3
General, administrative and other expenses	96.7	90.3	296.6	254.9
Equity income in earnings of unconsolidated affiliates	(4.9)	(6.8)	(14.4)	(20.5)
Operating income	201.0	249.8	533.5	661.5
Other expense, net:
Interest expense, net	26.8	13.5	71.4	45.8
Loss on extinguishment of debt	0.0	0.0	0.0	23.0
Other (income) expense, net	(0.9)	0.1	(1.5)	(0.3)
Total other expense, net	25.9	13.6	69.9	68.5
Income from continuing operations before income taxes	175.1	236.2	463.6	593.0
Income tax provision	(41.1)	(58.7)	(107.5)	(143.9)
Income from continuing operations	134.0	177.5	356.1	449.1
Loss from discontinued operations, net of tax	(0.8)	(0.1)	(0.8)	(0.6)
Net income before non-controlling interests	133.2	177.4	355.3	448.5
Less: Net income (loss) attributable to non-controlling interests	0.5	0.0	1.3	(0.2)
Net income attributable to Tempur Sealy International, Inc.	$ 132.7	$ 177.4	$ 354.0	$ 448.7
Basic
Earnings per share for continuing operations (in dollars per share)	$ 0.78	$ 0.91	$ 2.01	$ 2.26
Loss per share for discontinued operations (in dollars per share)	(0.01)	0	0	0
Earnings per share (in dollars per share)	0.77	0.91	2.01	2.26
Diluted
Earnings per share for continuing operations (in dollars per share)	0.75	0.87	1.95	2.18
Loss per share for discontinued operations (in dollars per share)	0	0	0	0
Earnings per share (in dollars per share)	$ 0.75	$ 0.87	$ 1.95	$ 2.18
Weighted average common shares outstanding:
Basic (in shares)	171.9	195.8	176.2	198.9
Diluted (in shares)	177.0	203.4	181.5	205.9