v3.26.3
Pension Plans and Postretirement Benefits - Additional Details (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Retirement Benefits [Abstract]        
Service cost $ 5.1 $ 5.2 $ 15.5 $ 10.3
Net periodic benefit (income) cost, excluding service costs $ (4.0) $ (2.4) $ (12.0) $ (6.1)