CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 690.9	$ 637.4
Cost of sales	409.1	372.7
Gross profit	281.8	264.7
Selling and marketing expenses	153.5	145.4
General, administrative and other expenses	70.7	67.5
Equity income in earnings of unconsolidated affiliates	(2.9)	(3.9)
Operating (loss) income	60.5	55.7
Other expense, net:
Interest expense, net	22.4	22.7
Other income, net	(7.8)	(2.6)
Total other expense, net	14.6	20.1
Income from continuing operations before income taxes	45.9	35.6
Income tax provision	(16.9)	(10.0)
Income from continuing operations	29.0	25.6
Loss from discontinued operations, net of tax	(0.4)	(2.8)
Net income before non-controlling interest	28.6	22.8
Less: Net income (loss) attributable to non-controlling interest	0.2	(0.3)
Net income attributable to Tempur Sealy International, Inc.	$ 28.4	$ 23.1
Basic
Earnings per share for continuing operations (in dollars per share)	$ 0.53	$ 0.48
Loss per share for discontinued operations (in dollars per share)	(0.01)	(0.05)
Earnings per share (in dollars per share)	0.52	0.43
Diluted
Earnings per share for continuing operations (in dollars per share)	0.52	0.47
Loss per share for discontinued operations (in dollars per share)	(0.01)	(0.05)
Earnings per share (in dollars per share)	$ 0.51	$ 0.42
Weighted average common shares outstanding:
Basic (in shares)	54.7	54.3
Diluted (in shares)	55.7	54.9