v3.26.1
Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Disaggregation of Revenue [Line Items]          
Customer rebates and allowances $ 79.0   $ 79.0   $ 83.5
Building Materials Distribution | Shipping and Handling          
Disaggregation of Revenue [Line Items]          
Cost of goods and services sold $ 76.7 $ 68.9 $ 141.4 $ 129.2