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Benefit Plans - Schedule of Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Service cost $ 0.4 $ 0.4
Interest cost 1.6 1.5
Expected return on assets (2.2) (3.1)
Amortization of prior service credit 0.0 (0.1)
Recognized actuarial losses (gains) 0.0 0.1
Settlements 0.6 0.6
Net periodic benefit cost 0.4 (0.6)
U.S. plans    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Net periodic benefit cost 0.0 (1.0)
International plans    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Net periodic benefit cost 0.4 0.4
Pension benefits    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Service cost 0.4 0.4
Interest cost 1.6 1.4
Expected return on assets (2.2) (3.1)
Amortization of prior service credit 0.0 0.0
Recognized actuarial losses (gains) 0.4 0.5
Settlements 0.6 0.6
Net periodic benefit cost 0.8 (0.2)
Pension benefits | U.S. plans    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Net periodic benefit cost 0.4 (0.6)
Pension benefits | International plans    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Net periodic benefit cost 0.4 0.4
Other retirement benefits    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Service cost 0.0 0.0
Interest cost 0.0 0.1
Expected return on assets 0.0 0.0
Amortization of prior service credit 0.0 (0.1)
Recognized actuarial losses (gains) (0.4) (0.4)
Settlements 0.0 0.0
Net periodic benefit cost (0.4) (0.4)
Other retirement benefits | U.S. plans    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Net periodic benefit cost (0.4) (0.4)
Other retirement benefits | International plans    
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Net periodic benefit cost $ 0.0 $ 0.0