Intercompany royalty income(loss) during the period.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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No definition available.

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The net result for the period of deducting operating expenses from operating revenues.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Business Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 segment	Jun. 30, 2013	Dec. 31, 2013
Segment Reporting [Abstract]
Number of business segments			3
Total assets and long-lived assets by segment:
Total Assets	$ 2,751.9		$ 2,751.9		$ 2,729.9
Long-lived assets by segment	1,851.4		1,851.4		1,921.3
Income statement information by segment:
Net sales	715.0	660.6	1,416.9	1,050.7
Gross Profit	268.3	254.9	537.8	443.3
Operating (loss) income	50.3	44.0	112.7	88.5
(Loss) income before income taxes	7.4	6.7	46.6	21.8
Depreciation and amortization (including stock-based compensation amortization)			45.5	39.6
Intercompany royalties			0	0
Capital expenditures			16.9	19.3
United States [Member]
Total assets and long-lived assets by segment:
Long-lived assets by segment	1,578.0		1,578.0		1,647.0
Income statement information by segment:
Net sales	524.2	474.1	1,028.2	727.4
Non United States [Member]
Total assets and long-lived assets by segment:
Long-lived assets by segment	273.4		273.4		274.3
Income statement information by segment:
Net sales	190.8	186.5	388.7	323.3
Canada [Member]
Total assets and long-lived assets by segment:
Long-lived assets by segment	50.4		50.4		52.1
Income statement information by segment:
Net sales	53.7	56.1	102.4	71.1
Other International [Member]
Total assets and long-lived assets by segment:
Long-lived assets by segment	223.0		223.0		222.2
Income statement information by segment:
Net sales	137.1	130.4	286.3	252.2
North America [Member]
Segment Reporting Information [Line Items]
Operating expenses	17.6	21.0	35.3	50.3
Income statement information by segment:
Net sales	237.3	215.5	450.3	441.4
Operating (loss) income			19.4	26.1
(Loss) income before income taxes			(20.7)	(34.6)
Depreciation and amortization (including stock-based compensation amortization)			14.1	20.6
Intercompany royalties			2.9	2.7
Capital expenditures			6.1	10.9
North America [Member] \| Bedding [Member]
Income statement information by segment:
Net sales	223.9	199.5	423.4	404.1
North America [Member] \| Other Products [Member]
Income statement information by segment:
Net sales	13.4	16.0	26.9	37.3
International [Member]
Income statement information by segment:
Net sales	109.5	100.5	235.2	218.0
Operating (loss) income			47.2	55.2
(Loss) income before income taxes			46.2	52.7
Depreciation and amortization (including stock-based compensation amortization)			6.6	6.2
Intercompany royalties			(2.9)	(2.7)
Capital expenditures			4.5	4.7
International [Member] \| Bedding [Member]
Income statement information by segment:
Net sales	81.5	73.9	176.7	163.2
International [Member] \| Other Products [Member]
Income statement information by segment:
Net sales	28.0	26.6	58.5	54.8
Sealy [Member]
Income statement information by segment:
Net sales	368.2	344.6	731.4	391.3
Operating (loss) income			46.1	7.2
(Loss) income before income taxes			21.1	3.7
Depreciation and amortization (including stock-based compensation amortization)			24.8	12.8
Intercompany royalties			0	0
Capital expenditures			6.3	3.7
Sealy [Member] \| Bedding [Member]
Income statement information by segment:
Net sales	352.0	325.1	693.3	369.8
Sealy [Member] \| Other Products [Member]
Income statement information by segment:
Net sales	16.2	19.5	38.1	21.5
Operating Segments [Member]
Total assets and long-lived assets by segment:
Long-lived assets by segment	1,851.4		1,851.4		1,921.3
Income statement information by segment:
Gross Profit	268.3	254.9	537.8	443.3
Operating (loss) income	50.3	44.0
(Loss) income before income taxes	7.4	6.7
Depreciation and amortization (including stock-based compensation amortization)	21.4	24.9
Intercompany royalties	0	0
Capital expenditures	9.1	13.7
Operating Segments [Member] \| North America [Member]
Total assets and long-lived assets by segment:
Total Assets	2,591.5		2,591.5		2,110.7
Long-lived assets by segment	391.7		391.7		393.1
Income statement information by segment:
Gross Profit	94.2	88.5	180.0	191.9
Operating (loss) income	8.3	10.3
(Loss) income before income taxes	(12.5)	(22.9)
Depreciation and amortization (including stock-based compensation amortization)	5.7	10.8
Intercompany royalties	1.4	1.4
Capital expenditures	4.1	7.0
Operating Segments [Member] \| International [Member]
Total assets and long-lived assets by segment:
Total Assets	408.0		408.0		477.7
Long-lived assets by segment	67.2		67.2		68.7
Income statement information by segment:
Gross Profit	64.1	62.5	139.2	136.8
Operating (loss) income	19.2	23.9
(Loss) income before income taxes	18.8	22.5
Depreciation and amortization (including stock-based compensation amortization)	3.4	3.1
Intercompany royalties	(1.4)	(1.4)
Capital expenditures	2.8	3.0
Operating Segments [Member] \| Sealy [Member]
Total assets and long-lived assets by segment:
Total Assets	1,962.9		1,962.9		1,956.6
Long-lived assets by segment	1,392.5		1,392.5		1,459.5
Income statement information by segment:
Gross Profit	110.0	103.9	218.6	114.6
Operating (loss) income	22.8	9.8
(Loss) income before income taxes	1.1	7.1
Depreciation and amortization (including stock-based compensation amortization)	12.3	11.0
Intercompany royalties	0	0
Capital expenditures	2.2	3.7
Intersegment Eliminations [Member]
Total assets and long-lived assets by segment:
Total Assets	(2,210.5)		(2,210.5)		(1,815.1)
Income statement information by segment:
Net sales	0	0	0	0
Intersegment Eliminations [Member] \| North America [Member] \| Bedding [Member]
Income statement information by segment:
Net sales	1.7	0	1.8	0.1
Intersegment Eliminations [Member] \| International [Member] \| Other Products [Member]
Income statement information by segment:
Net sales	0.1	0.1	0.2	0.2
Intersegment Eliminations [Member] \| Sealy [Member]
Income statement information by segment:
Net sales	4.2	0	8.5	0
Intersegment Eliminations [Member] \| Segment Reconciling Items [Member]
Income statement information by segment:
Net sales	$ (6.0)	$ (0.1)	$ (10.5)	$ (0.3)