XML 55 R45.htm IDEA: XBRL DOCUMENT v3.25.3
Pension - Net Periodic Benefit Cost (Details) - Pension Benefits - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Defined Benefit Plan Disclosure        
Service cost $ 0.0 $ 0.1 $ 0.2 $ 0.3
Interest cost 1.6 3.2 4.8 9.6
Expected return on plan assets (1.5) (3.5) (4.3) (10.6)
Amortization of net loss 0.6 0.4 1.8 1.2
Net periodic benefit cost $ 0.7 $ 0.2 $ 2.5 $ 0.5