Guarantor/Non-Guarantor Financial Information - Schedule of Supplemental Condensed Consolidating Statements of Cash Flows (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Supplemental condensed consolidating statements of cash flows
Net cash (used in) provided by operating activities	$ 225.2	$ 98.5	$ 189.9
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of businesses, net of cash acquired	(8.5)	(1,172.9)	(4.5)
Proceeds from disposition of business	43.5	0	0
Purchases of property, plant and equipment	(47.5)	(40.0)	(50.5)
Other	2.1	(0.1)	0
Net cash used in investing activities	(10.4)	(1,213.0)	(55.0)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from 2012 credit agreement	271.5	2,992.6	0
Repayments of 2012 credit agreement	(510.9)	(1,658.3)	0
Proceeds from issuance of senior notes	0	375.0	0
Proceeds from 2011 credit facility	0	46.5	352.0
Repayments of 2011 credit facility	0us-gaap_RepaymentsOfOtherLongTermDebt	(696.5)us-gaap_RepaymentsOfOtherLongTermDebt	(287.0)us-gaap_RepaymentsOfOtherLongTermDebt
Net activity in investment in and advances (to) from subsidiaries and affiliates	0tpx_EquityMethodInvestmentsNetActivity	0tpx_EquityMethodInvestmentsNetActivity	0tpx_EquityMethodInvestmentsNetActivity
Payments of deferred financing costs	(3.1)us-gaap_PaymentsOfFinancingCosts	(52.0)us-gaap_PaymentsOfFinancingCosts	(2.3)us-gaap_PaymentsOfFinancingCosts
Proceeds from exercise of stock options	4.3	8.7	11.4
Excess tax benefit from stock based compensation	1.7	5.4	10.5
Treasury shares repurchased	(2.2)us-gaap_PaymentsForRepurchaseOfEquity	(7.0)us-gaap_PaymentsForRepurchaseOfEquity	(152.6)us-gaap_PaymentsForRepurchaseOfEquity
Other	0.6	(1.0)	(2.8)
Net cash (used in) provided by financing activities	(238.1)	1,013.4	(70.8)
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	4.8	2.8	3.8
Increase (decrease) in cash and cash equivalents	(18.5)	(98.3)	67.9
CASH AND CASH EQUIVALENTS, beginning of period	81.0	179.3	111.4
CASH AND CASH EQUIVALENTS, end of period	62.5	81.0	179.3
Tempur Sealy International, Inc. (Ultimate Parent)
Supplemental condensed consolidating statements of cash flows
Net cash (used in) provided by operating activities	(62.7)	(66.1)	(43.6)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of businesses, net of cash acquired	0	0	0
Proceeds from disposition of business	0
Purchases of property, plant and equipment	0	0	0
Other	0	0	0
Net cash used in investing activities	0	0	0
CASH FLOWS FROM 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
Repayments of 2011 credit facility		0	0
Net activity in investment in and advances (to) from subsidiaries and affiliates	59.3	(772.8)	187.0
Payments of deferred financing costs	0	(8.4)	(2.2)
Proceeds from exercise of stock options	4.3	8.7	11.4
Excess tax benefit from stock based compensation	1.7	5.4	0
Treasury shares repurchased	(2.2)	458.2	(152.6)
Other	0	0	0
Net cash (used in) provided by financing activities	63.1	66.1	43.6
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
Increase (decrease) in cash and cash equivalents	0.4	0	0
CASH AND CASH EQUIVALENTS, beginning of period	0	0	0
CASH AND CASH EQUIVALENTS, end of period	0.4	0	0
Combined Guarantor Subsidiaries
Supplemental condensed consolidating statements of cash flows
Net cash (used in) provided by operating activities	191.5	80.9	140.5
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of businesses, net of cash acquired	0	(1,035.3)	0
Proceeds from disposition of business	43.5
Purchases of property, plant and equipment	(31.3)	(28.3)	(36.7)
Other	3.0	(54.7)	(0.1)
Net cash used in investing activities	15.2	(1,118.3)	(36.8)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from 2012 credit agreement	271.5	2,992.6	0
Repayments of 2012 credit agreement	(510.9)	(1,658.3)	0
Proceeds from issuance of senior notes		0
Proceeds from 2011 credit facility		46.5	352.0
Repayments of 2011 credit facility		(696.5)	(287.0)
Net activity in investment in and advances (to) from subsidiaries and affiliates	32.1	874.9	(170.8)
Payments of deferred financing costs	(3.1)	(43.6)	0
Proceeds from exercise of stock options	0	0	0
Excess tax benefit from stock based compensation	0	0	10.5
Treasury shares repurchased	0	(465.2)	0
Other	(1.7)	(1.3)	0
Net cash (used in) provided by financing activities	(212.1)	1,049.1	(95.3)
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
Increase (decrease) in cash and cash equivalents	(5.4)	11.7	8.4
CASH AND CASH EQUIVALENTS, beginning of period	30.9	19.2	10.8
CASH AND CASH EQUIVALENTS, end of period	25.5	30.9	19.2
Combined Non-Guarantor Subsidiaries
Supplemental condensed consolidating statements of cash flows
Net cash (used in) provided by operating activities	96.4	83.7	93.0
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of businesses, net of cash acquired	(8.5)	(137.6)	(4.5)
Proceeds from disposition of business	0
Purchases of property, plant and equipment	(16.2)	(11.7)	(13.8)
Other	(0.9)	54.6	0.1
Net cash used in investing activities	(25.6)	(94.7)	(18.2)
CASH FLOWS FROM 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
Repayments of 2011 credit facility		0	0
Net activity in investment in and advances (to) from subsidiaries and affiliates	(91.4)	(102.1)	(16.2)
Payments of deferred financing costs	0	0	(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	2.3	0.3	(2.8)
Net cash (used in) provided by financing activities	(89.1)	(101.8)	(19.1)
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	4.8	2.8	3.8
Increase (decrease) in cash and cash equivalents	(13.5)	(110.0)	59.5
CASH AND CASH EQUIVALENTS, beginning of period	50.1	160.1	100.6
CASH AND CASH EQUIVALENTS, end of period	36.6	50.1	160.1
Eliminations
Supplemental condensed consolidating statements of cash flows
Net cash (used in) provided by operating activities	0	0	0
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of businesses, net of cash acquired	0	0	0
Proceeds from disposition of business	0
Purchases of property, plant and equipment		0	0
Other	0	0	0
Net cash used in investing activities	0	0	0
CASH FLOWS FROM 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
Repayments of 2011 credit facility		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 (used in) provided by financing activities	0	0	0
NET EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	0	0	0
Increase (decrease) in cash and cash equivalents	0	0	0
CASH AND CASH EQUIVALENTS, beginning of period	0	0	0
CASH AND CASH EQUIVALENTS, end of period	$ 0	$ 0	$ 0

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Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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