CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Net sales	$ 3,127.3	$ 3,151.2	$ 2,989.8
Cost of sales	1,817.9	1,902.3	1,839.4
Gross profit	1,309.4	1,248.9	1,150.4
Selling and marketing expenses	648.5	648.0	619.9
General, administrative and other expenses	278.2	322.0	280.6
Equity income in earnings of unconsolidated affiliates	(13.3)	(11.9)	(8.3)
Royalty income, net of royalty expense	(19.5)	(18.3)	(18.1)
Operating (loss) income	415.5	309.1	276.3
Other expense, net:
Interest expense, net	85.2	96.1	91.9
Loss on extinguishment of debt	47.2	0.0	0.0
Loss on disposal, net	0.0	0.0	(23.2)
Other (income) expense, net	(0.2)	12.9	(13.7)
Total other expense	132.2	109.0	101.4
Income before income taxes	283.3	200.1	174.9
Income tax provision	(86.8)	(125.4)	(64.9)
Net income before non-controlling interests	196.5	74.7	110.0
Less: net (loss) income attributable to non-controlling interests	(5.6)	1.2	1.1
Net income attributable to Tempur Sealy International, Inc.	$ 202.1	$ 73.5	$ 108.9
Earnings per common share:
Basic (in dollars per share)	$ 3.43	$ 1.19	$ 1.79
Diluted (in dollars per share)	$ 3.38	$ 1.17	$ 1.75
Weighted average common shares outstanding:
Basic (in shares)	59.0	61.7	60.8
Diluted (in shares)	59.8	62.6	62.1