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Pensions - Summary of Components of Net Periodic Pension Expense (Benefit) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
U.S.    
Defined Benefit Plan Disclosure [Line Items]    
Interest cost $ 1.4 $ 1.4
Amortization of actuarial loss 0.6 0.5
Expected return on plan assets (1.4) (1.8)
Net periodic pension expense 0.6 0.1
Non-U.S. Benefit Plan    
Defined Benefit Plan Disclosure [Line Items]    
Interest cost 0.4 0.4
Amortization of actuarial loss 0.1 0.2
Expected return on plan assets (0.4) (0.5)
Net periodic pension expense $ 0.1 $ 0.1