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Impairment Charges - Goodwill Reporting Unit Impairment (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Jun. 30, 2023
Goodwill [Line Items]
Goodwill impairment	$ 675.3	$ 675.3	$ 0.0
Bedding Products
Goodwill [Line Items]
Goodwill impairment	587.2	587.2
Bedding Products | Bedding
Goodwill [Line Items]
Goodwill impairment	587.2	587.2
Furniture, Flooring & Textile Products
Goodwill [Line Items]
Goodwill impairment	44.5	44.5
Furniture, Flooring & Textile Products | Work Furniture
Goodwill [Line Items]
Goodwill impairment	44.5	44.5
Specialized Products
Goodwill [Line Items]
Goodwill impairment	43.6	43.6
Specialized Products | Hydraulic Cylinders
Goodwill [Line Items]
Goodwill impairment	$ 43.6	$ 43.6

X

- Definition

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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