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Impairment Charges - Schedule of Impairment Charges (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Schedule Of Asset Impairment Charges [Line Items]
Goodwill Impairment	$ 0.0		$ 675.3	$ 0.0
Other Long-Lived Assets Impairments	0.6		3.2
Total Impairments	0.6	$ 0.0	678.5	$ 0.0
Bedding Products
Schedule Of Asset Impairment Charges [Line Items]
Goodwill Impairment	0.0		587.2
Other Long-Lived Assets Impairments	0.6		3.2
Total Impairments	0.6		590.4
Specialized Products
Schedule Of Asset Impairment Charges [Line Items]
Goodwill Impairment	0.0		43.6
Other Long-Lived Assets Impairments	0.0		0.0
Total Impairments	0.0		43.6
Furniture, Flooring & Textile Products
Schedule Of Asset Impairment Charges [Line Items]
Goodwill Impairment	0.0		44.5
Other Long-Lived Assets Impairments	0.0		0.0
Total Impairments	$ 0.0		$ 44.5

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- Definition

Schedule Of Asset Impairment Charges [Line Items]

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

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