Guarantor/Non-Guarantor Financial Information - Statements of cash flow (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplemental condensed consolidating statements of cash flows
Net cash provided by operating activities	$ 98.5	$ 189.9	$ 248.7
Investing activities:
Acquisition of businesses, net of cash acquired	(1,172.9)	(4.5)	(4.6)
Purchases of property, plant and equipment	(40.0)	(50.5)	(29.5)
Other	(0.1)	0	(2.0)
Net cash used in investing activities	(1,213.0)	(55.0)	(36.1)
Financing activities:
Proceeds from 2012 credit agreement	2,992.6	0	0
Repayments of 2012 credit agreement	(1,658.3)	0	0
Proceeds from issuance of senior notes	375.0	0	0
Proceeds from 2011 credit facility	46.5	352.0	821.5
Repayments of 2011 credit facility	(696.5)	(287.0)	(643.5)
Net activity in investment in and advances (to) from subsidiaries and affiliates	0	0	0
Payments of deferred financing costs	(52.0)	(2.3)	(6.2)
Proceeds from exercise of stock options	8.7	11.4	26.3
Excess tax benefit from stock based compensation	5.4	10.5	19.2
Treasury shares repurchased	(7.0)	(152.6)	(365.9)
Other	(1.0)	(2.8)	(0.3)
Net cash provided by (used in) financing activities	1,013.4	(70.8)	(148.9)
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	2.8	3.8	(5.9)
Increase in cash and cash equivalents	(98.3)	67.9	57.8
Cash and equivalents:
CASH AND CASH EQUIVALENTS, beginning of period	179.3	111.4	53.6
CASH AND CASH EQUIVALENTS, end of period	81.0	179.3	111.4
Tempur Sealy International, Inc. (Ultimate Parent)
Supplemental condensed consolidating statements of cash flows
Net cash provided by operating activities	(66.1)	(43.6)	(24.6)
Investing activities:
Acquisition of businesses, net of cash acquired	0	0	0
Purchases of property, plant and equipment	0	0	0
Other	0	0	0
Net cash used in investing activities	0	0	0
Financing activities:
Proceeds from 2012 credit agreement	0	0	0
Repayments of 2012 credit agreement	0	0	0
Proceeds from issuance of senior notes	375.0
Proceeds from 2011 credit facility	0	0	0
Repayments of 2011 credit facility	0	0	0
Net activity in investment in and advances (to) from subsidiaries and affiliates	(772.8)	187.0	363.9
Payments of deferred financing costs	(8.4)	(2.2)	0
Proceeds from exercise of stock options	8.7	11.4	26.3
Excess tax benefit from stock based compensation	5.4	0	0
Treasury shares repurchased	458.2	(152.6)	(365.9)
Other	0	0	0
Net cash provided by (used in) financing activities	66.1	43.6	24.3
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
Increase in cash and cash equivalents	0	0	(0.3)
Cash and equivalents:
CASH AND CASH EQUIVALENTS, beginning of period	0	0	0.3
CASH AND CASH EQUIVALENTS, end of period	0	0	0
Combined Guarantor Subsidiaries
Supplemental condensed consolidating statements of cash flows
Net cash provided by operating activities	80.9	140.5	192.4
Investing activities:
Acquisition of businesses, net of cash acquired	(1,035.3)	0	0
Purchases of property, plant and equipment	(28.3)	(36.7)	(18.8)
Other	(54.7)	(0.1)	(0.2)
Net cash used in investing activities	(1,118.3)	(36.8)	(19.0)
Financing activities:
Proceeds from 2012 credit agreement	2,992.6	0	0
Repayments of 2012 credit agreement	(1,658.3)	0	0
Proceeds from issuance of senior notes	0
Proceeds from 2011 credit facility	46.5	352.0	821.5
Repayments of 2011 credit facility	(696.5)	(287.0)	(643.5)
Net activity in investment in and advances (to) from subsidiaries and affiliates	874.9	(170.8)	(360.1)
Payments of deferred financing costs	(43.6)	0	(6.1)
Proceeds from exercise of stock options	0	0	0
Excess tax benefit from stock based compensation	0	10.5	19.2
Treasury shares repurchased	(465.2)	0	0
Other	(1.3)	0	0
Net cash provided by (used in) financing activities	1,049.1	(95.3)	(169.0)
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
Increase in cash and cash equivalents	11.7	8.4	4.4
Cash and equivalents:
CASH AND CASH EQUIVALENTS, beginning of period	19.2	10.8	6.4
CASH AND CASH EQUIVALENTS, end of period	30.9	19.2	10.8
Combined Non-Guarantor Subsidiaries
Supplemental condensed consolidating statements of cash flows
Net cash provided by operating activities	83.7	93.0	80.9
Investing activities:
Acquisition of businesses, net of cash acquired	(137.6)	(4.5)	(4.6)
Purchases of property, plant and equipment	(11.7)	(13.8)	(10.7)
Other	54.6	0.1	(1.8)
Net cash used in investing activities	(94.7)	(18.2)	(17.1)
Financing activities:
Proceeds from 2012 credit agreement	0	0	0
Repayments of 2012 credit agreement	0	0	0
Proceeds from issuance of senior notes	0
Proceeds from 2011 credit facility	0	0	0
Repayments of 2011 credit facility	0	0	0
Net activity in investment in and advances (to) from subsidiaries and affiliates	(102.1)	(16.2)	(3.8)
Payments of deferred financing costs	0	(0.1)	(0.1)
Proceeds from exercise of stock options	0	0	0
Excess tax benefit from stock based compensation	0	0	0
Treasury shares repurchased	0	0	0
Other	0.3	(2.8)	(0.3)
Net cash provided by (used in) financing activities	(101.8)	(19.1)	(4.2)
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	2.8	3.8	(5.9)
Increase in cash and cash equivalents	(110.0)	59.5	53.7
Cash and equivalents:
CASH AND CASH EQUIVALENTS, beginning of period	160.1	100.6	46.9
CASH AND CASH EQUIVALENTS, end of period	50.1	160.1	100.6
Eliminations
Supplemental condensed consolidating statements of cash flows
Net cash provided by operating activities	0	0	0
Investing activities:
Acquisition of businesses, net of cash acquired	0	0	0
Purchases of property, plant and equipment	0	0	0
Other	0	0	0
Net cash used in investing activities	0	0	0
Financing activities:
Proceeds from 2012 credit agreement	0	0	0
Repayments of 2012 credit agreement	0	0	0
Proceeds from issuance of senior notes	0
Proceeds from 2011 credit facility	0	0	0
Repayments of 2011 credit facility	0	0	0
Net activity in investment in and advances (to) from subsidiaries and affiliates	0	0	0
Payments of deferred financing costs	0	0	0
Proceeds from exercise of stock options	0	0	0
Excess tax benefit from stock based compensation	0	0	0
Treasury shares repurchased	0	0	0
Other	0	0	0
Net cash provided by (used in) financing activities	0	0	0
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
Increase in cash and cash equivalents	0	0	0
Cash and equivalents:
CASH AND CASH EQUIVALENTS, beginning of period	0	0	0
CASH AND CASH EQUIVALENTS, end of period	$ 0	$ 0	$ 0