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Pensions - Summary of Components of Net Periodic Pension Expense (Benefit) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
U.S.    
Defined Benefit Plan Disclosure [Line Items]    
Interest cost $ 1.4 $ 1.5
Amortization of actuarial loss 0.5 0.3
Expected return on plan assets (1.8) (1.9)
Net periodic pension expense (benefit) 0.1 (0.1)
Non-U.S. Benefit Plan    
Defined Benefit Plan Disclosure [Line Items]    
Interest cost 0.4 0.4
Amortization of actuarial loss 0.2 0.2
Expected return on plan assets (0.5) (0.5)
Net periodic pension expense (benefit) $ 0.1 $ 0.1