v3.26.1
1. Basis of Presentation and Use of Estimates Warranty Rollforward (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Warranty accrual, beginning of period $ 6.1 $ 7.1
Provision for warranty 4.2 1.8
Actual warranty costs (3.7) (2.7)
Warranty accrual, end of period $ 6.6 $ 6.2