CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net sales	$ 1,189.4	$ 1,208.1
Cost of sales	676.8	708.2
Gross profit	512.6	499.9
Selling and marketing expenses	265.0	256.7
General, administrative and other expenses	121.0	104.5
Equity income in earnings of unconsolidated affiliates	(4.9)	(4.6)
Operating income	131.5	143.3
Other expense, net:
Interest expense, net	34.3	32.8
Other (income) expense, net	(0.3)	0.1
Total other expense, net	34.0	32.9
Income before income taxes	97.5	110.4
Income tax provision	(20.7)	(24.5)
Net income before non-controlling interest	76.8	85.9
Less: Net income attributable to non-controlling interest	0.5	0.6
Net income attributable to Tempur Sealy International, Inc.	$ 76.3	$ 85.3
Earnings per common share:
Basic (in dollars per share)	$ 0.44	$ 0.50
Diluted (in dollars per share)	$ 0.43	$ 0.48
Weighted average common shares outstanding:
Basic (in shares)	173.6	172.0
Diluted (in shares)	178.0	176.8