CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 3,106.0	$ 2,702.9	$ 2,700.6
Cost of sales	1,763.8	1,582.2	1,579.6
Gross profit	1,342.2	1,120.7	1,121.0
Selling and marketing expenses	666.3	587.8	586.1
General, administrative and other expenses	315.3	273.0	261.4
Customer-related charges	29.8	21.2	14.4
Equity income in earnings of unconsolidated affiliates	(15.9)	(17.6)	(15.6)
Royalty income, net of royalty expense	0.0	0.0	(20.8)
Operating (loss) income	346.7	256.3	295.5
Other expense, net:
Interest expense, net	85.7	92.3	87.3
Other income, net	(4.5)	(1.0)	(7.2)
Total other expense, net	81.2	91.3	80.1
Income from continuing operations before income taxes	265.5	165.0	215.4
Income tax provision	(74.7)	(49.6)	(43.8)
Income from continuing operations	190.8	115.4	171.6
Loss from discontinued operations, net of tax	(1.4)	(17.8)	(30.9)
Net income before non-controlling interests	189.4	97.6	140.7
Less: Net loss attributable to non-controlling interests	(0.1)	(2.9)	(10.7)
Net income attributable to Tempur Sealy International, Inc.	$ 189.5	$ 100.5	$ 151.4
Basic
Earnings per share for continuing operations, basic (in dollars per share)	$ 3.50	$ 2.17	$ 3.37
Loss per share for discontinued operations, basic (in dollars per share)	(0.02)	(0.32)	(0.57)
Basic (in dollars per share)	3.48	1.85	2.80
Diluted
Earnings per share for continuing operations, diluted (in dollars per share)	3.45	2.15	3.33
Loss per share for discontinued operations, diluted (in dollars per share)	(0.03)	(0.33)	(0.56)
Diluted (in dollars per share)	$ 3.42	$ 1.82	$ 2.77
Weighted average common shares outstanding:
Basic (in shares)	54.5	54.4	54.0
Diluted (in shares)	55.4	55.1	54.7