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Impairment Charges - Schedule of Impairment Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Schedule Of Asset Impairment Charges [Line Items] |  |  |  |  |  |
Other Long-Lived Assets Impairment | $ 0.8 | $ 0.6 |  | $ 2.0 | $ 3.2 |
Goodwill impairment |  | 0.0 | $ 675.3 | 0.0 | 675.3 |
Total Impairments | 0.8 | 0.6 |  | 2.0 | 678.5 |
Bedding Products |  |  |  |  |  |
Schedule Of Asset Impairment Charges [Line Items] |  |  |  |  |  |
Other Long-Lived Assets Impairment | $ 0.8 | 0.6 |  | 2.0 | 3.2 |
Goodwill impairment |  | 0.0 |  |  | 587.2 | $ 0.7
Total Impairments |  | $ 0.6 |  |  | 590.4 |
Specialized Products |  |  |  |  |  |
Schedule Of Asset Impairment Charges [Line Items] |  |  |  |  |  |
Other Long-Lived Assets Impairment |  |  |  | 0.0 | 0.0 |
Goodwill impairment |  |  |  |  | 43.6 |
Total Impairments |  |  |  |  | 43.6 |
Furniture, Flooring & Textile Products |  |  |  |  |  |
Schedule Of Asset Impairment Charges [Line Items] |  |  |  |  |  |
Other Long-Lived Assets Impairment |  |  |  | $ 0.0 | 0.0 |
Goodwill impairment |  |  |  |  | 44.5 |
Total Impairments |  |  |  |  | $ 44.5 |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 942 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480095/942-10-S50-1 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 942 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480035/942-10-S99-6 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-4 + Details
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