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Restructuring and Related Activities - Summary of Incurred Costs (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2024 USD ($) facility | Dec. 31, 2024 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring-related costs | $ 11.2 | $ 22.0 |
Amount of total that represents net cash charges | 9.4 | $ 15.6 |
Bedding Products |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of facilities | facility |  | 50 |
Net restructuring and restructuring-related |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring-related costs | 10.9 | $ 19.4 |
Net restructuring and restructuring-related | Bedding Products |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring-related costs | 9.6 | 16.6 |
Impairment costs associated with this plan (See Note F) |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring-related costs | 0.3 | 2.6 |
Minimum |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 65.0 | 65.0 |
Amount of total that represents net cash charges |  | $ 30.0 |
Minimum | Forecast |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs |  |  | $ 40.0
Minimum | Bedding Products |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of facilities consolidated | facility |  | 15 |
Minimum | Net restructuring and restructuring-related |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 40.0 | $ 40.0 |
Minimum | Impairment costs associated with this plan (See Note F) |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 25.0 | 25.0 |
Maximum |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 85.0 | 85.0 |
Amount of total that represents net cash charges |  | $ 40.0 |
Maximum | Forecast |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs |  |  | $ 50.0
Maximum | Bedding Products |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of facilities consolidated | facility |  | 20 |
Maximum | Net restructuring and restructuring-related |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | 55.0 | $ 55.0 |
Maximum | Impairment costs associated with this plan (See Note F) |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Expected restructuring costs | $ 30.0 | $ 30.0 |

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