v3.25.2
Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Revenue from External Customer [Line Items]          
Customer rebates and allowances $ 84.0   $ 84.0   $ 91.4
Building Materials Distribution | Shipping and Handling          
Revenue from External Customer [Line Items]          
Cost of goods and services sold $ 68.9 $ 64.5 $ 129.2 $ 123.4