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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 |

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