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Pension and Postretirement Benefits - Components of Net Periodic Benefit (Income) Expense (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 0.4 $ 0.7 $ 1.4 $ 2.4
Interest cost 38.2 38.2 116.2 116.2
Expected return on plan assets (66.1) (69.8) (201.8) (212.3)
Amortization of prior service benefit (1.2) (1.3) (3.8) (4.0)
Recognized net actuarial gain 40.5 45.8 123.3 138.6
Settlement losses     0.0 368.7
Net periodic pension expense (income) 11.8 13.6 35.3 409.6
Pension Plans | U.S. Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0.0 0.0 0.0 0.0
Interest cost 28.7 29.4 86.0 88.2
Expected return on plan assets (47.4) (50.0) (142.3) (149.9)
Amortization of prior service benefit (0.6) (0.7) (1.9) (1.9)
Recognized net actuarial gain 31.4 34.0 94.4 101.8
Settlement losses     0.0 158.0
Net periodic pension expense (income) 12.1 12.7 36.2 196.2
Pension Plans | International Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0.4 0.7 1.4 2.4
Interest cost 9.5 8.8 30.2 28.0
Expected return on plan assets (18.7) (19.8) (59.5) (62.4)
Amortization of prior service benefit (0.6) (0.6) (1.9) (2.1)
Recognized net actuarial gain 9.1 11.8 28.9 36.8
Settlement losses     0.0 210.7
Net periodic pension expense (income) (0.3) 0.9 (0.9) 213.4
Pension Plans | Dutch Plans        
Defined Benefit Plan Disclosure [Line Items]        
Settlement losses       182.6
Pension Plans | Swiss Plans        
Defined Benefit Plan Disclosure [Line Items]        
Settlement losses       28.1
Postretirement Benefit Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0.1 0.1 0.2 0.3
Interest cost 0.4 0.5 1.4 1.3
Expected return on plan assets 0.0 (0.1) (0.2) (0.3)
Amortization of prior service benefit (0.4) (0.4) (1.1) (1.2)
Recognized net actuarial gain (0.5) (0.7) (1.5) (2.0)
Net periodic pension expense (income) $ (0.4) $ (0.6) $ (1.2) $ (1.9)