XML 48 R36.htm IDEA: XBRL DOCUMENT v3.25.1
Summary of Significant Accounting Policies - Warranty Activity (Details) - Warranty Reserves
$ in Millions
3 Months Ended
Mar. 31, 2025
USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]  
Beginning balance $ 33.6
Amounts accrued 5.0
Liabilities assumed as a result of Mattress Firm Acquisition 25.3
Warranties charged to accrual (5.3)
Ending balance $ 58.6