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Restructuring and Impairments - Summary of Incurred Costs (Details)
$ in Millions
 3 Months Ended
Mar. 31, 2024
USD ($)
facility
Restructuring Cost and Reserve [Line Items]  
Total restructuring-related costs $ 10.8
Amount of total that represents cash charges $ 6.2
Bedding Products  
Restructuring Cost and Reserve [Line Items]  
Number of facilities | facility 50
Restructuring and restructuring-related  
Restructuring Cost and Reserve [Line Items]  
Total restructuring-related costs $ 8.5
Restructuring and restructuring-related | Bedding Products  
Restructuring Cost and Reserve [Line Items]  
Total restructuring-related costs 7.0
Impairment costs associated with this plan  
Restructuring Cost and Reserve [Line Items]  
Total restructuring-related costs 2.3
Minimum  
Restructuring Cost and Reserve [Line Items]  
Expected restructuring costs 65.0
Amount of total that represents cash charges $ 30.0
Minimum | Bedding Products  
Restructuring Cost and Reserve [Line Items]  
Number of facilities consolidated | facility 15
Minimum | Restructuring and restructuring-related  
Restructuring Cost and Reserve [Line Items]  
Expected restructuring costs $ 40.0
Minimum | Impairment costs associated with this plan  
Restructuring Cost and Reserve [Line Items]  
Expected restructuring costs 25.0
Maximum  
Restructuring Cost and Reserve [Line Items]  
Expected restructuring costs 85.0
Amount of total that represents cash charges $ 40.0
Maximum | Bedding Products  
Restructuring Cost and Reserve [Line Items]  
Number of facilities consolidated | facility 20
Maximum | Restructuring and restructuring-related  
Restructuring Cost and Reserve [Line Items]  
Expected restructuring costs $ 55.0
Maximum | Impairment costs associated with this plan  
Restructuring Cost and Reserve [Line Items]  
Expected restructuring costs $ 30.0