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Restructuring and Related Activities (Summary of Restructuring-Related Costs by Segment) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($)
Restructuring Cost and Reserve [Line Items] |
Total restructuring-related costs | $ 50.7
2024 Restructuring Plan |
Restructuring Cost and Reserve [Line Items] |
Total restructuring-related costs | 47.8
Bedding Products |
Restructuring Cost and Reserve [Line Items] |
Gains from the sale of real estate | 16.6
Net restructuring and restructuring-related | 2024 Restructuring Plan |
Restructuring Cost and Reserve [Line Items] |
Total restructuring-related costs | 43.6
Net restructuring and restructuring-related | Bedding Products | 2024 Restructuring Plan |
Restructuring Cost and Reserve [Line Items] |
Total restructuring-related costs | 33.9
Net restructuring and restructuring-related | Specialized Products | 2024 Restructuring Plan |
Restructuring Cost and Reserve [Line Items] |
Total restructuring-related costs | 7.4
Net restructuring and restructuring-related | Furniture, Flooring & Textile Products | 2024 Restructuring Plan |
Restructuring Cost and Reserve [Line Items] |
Total restructuring-related costs | $ 2.3

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