XML 59 R43.htm IDEA: XBRL DOCUMENT v3.24.0.1
Summary of Significant Accounting Policies - Additional Information (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2023
USD ($)
channel
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Number of products sales channels | channel 2    
Depreciation expense $ 125.1 $ 111.4 $ 94.7
Sales returns accrual 43.7 40.5 49.8
Shipping and handling included in cost of sales 322.2 330.3 294.8
Advertising costs charged to expense 469.0 448.0 432.8
Advertising costs deferred and included in prepaid expenses and other current assets 10.2 12.4  
Research and development costs charged to expense 30.6 29.2 $ 27.3
Defined benefit plan, benefit obligation 32.6 30.1  
Defined benefit plan, amount $ 27.9 25.8  
2029 Senior Notes | Redemption period three | Senior Notes      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Percentage of redemption on notes 100.00%    
Bedding | Non-prorated | International      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Warranty term (in years) 5 years    
Bedding | Prorated | International      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Warranty term (in years) 10 years    
Pillows Two | Non-prorated      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Warranty term (in years) 3 years    
Accrued liabilities and other current liabilities      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Sales returns accrual $ 30.4 27.5  
Other non-current liabilities      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Sales returns accrual 13.3 13.0  
Standard product warranty accrual 21.9 23.8  
Accrued Expenses And Other Current Liabilities      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Standard product warranty accrual $ 18.9 $ 17.8  
Minimum | Bedding | North America      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Warranty term (in years) 10 years    
Minimum | Bedding | International      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Warranty term (in years) 5 years    
Minimum | Bedding | Non-prorated | North America      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Warranty term (in years) 10 years    
Maximum | Bedding | North America      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Warranty term (in years) 25 years    
Maximum | Bedding | International      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Warranty term (in years) 15 years    
Maximum | Bedding | Non-prorated | North America      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Warranty term (in years) 15 years    
Joint Ventures      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Ownership percentage 50.00%