No definition available.

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- Definition

Accrued Sales Returns

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Refers to the entity's number of products sales channels through which they sells their products.

+ References

No definition available.

+ Details

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- Definition

Describes the nature of the product warranty, including the approximate term of the product warranty, how the product warranty arose, and the events or circumstances that would require the warrantor to perform under the product warranty.

+ References

No definition available.

+ Details

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- Definition

-- None. No documentation exists for this element. --

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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Balance Type:	na
Period Type:	instant

- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)(1),(c)(5)
-URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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Balance Type:
Period Type:

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Namespace Prefix:
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Balance Type:
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Summary of Significant Accounting Policies (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) channel	Dec. 31, 2020 USD ($)	Oct. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Number of products sales channels \| channel	2
Ownership percentage	50.00%
Sealy and Stems & Foster
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Ownership percentage			50.00%
Accrued expenses and other current liabilities
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Accrued sales returns	$ 33.8	$ 31.6
Warranty Term [Abstract]
Accrued warranty expense	20.8	20.3
Other noncurrent liabilities
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Accrued sales returns	14.4	13.3
Warranty Term [Abstract]
Accrued warranty expense	$ 23.5	$ 23.9
Mattresses \| Non-prorated \| International
Warranty Term [Abstract]
Warranty term (in years)	5 years
Mattresses \| Prorated \| International
Warranty Term [Abstract]
Warranty term (in years)	10 years
Mattresses \| Minimum \| North America
Warranty Term [Abstract]
Warranty term (in years)	10 years
Mattresses \| Minimum \| International
Warranty Term [Abstract]
Warranty term (in years)	5 years
Mattresses \| Minimum \| Non-prorated \| North America
Warranty Term [Abstract]
Warranty term (in years)	10 years
Mattresses \| Maximum \| North America
Warranty Term [Abstract]
Warranty term (in years)	25 years
Mattresses \| Maximum \| International
Warranty Term [Abstract]
Warranty term (in years)	15 years
Mattresses \| Maximum \| Non-prorated \| North America
Warranty Term [Abstract]
Warranty term (in years)	15 years
Pillows \| North America
Warranty Term [Abstract]
Warranty term (in years)	3 years