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Retirement and Deferred Compensation Plans - Reconciliation of Changes in Benefit Obligations and the Statement of Funded Status of Plan (Details) - USD ($)
$ in Millions
 1 Months Ended 12 Months Ended
Feb. 29, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Change in Plan Assets        
Settlements $ 3.2      
Pension Plan [Member]        
Change in Benefit Obligation        
Service cost   $ 22.0 $ 21.0 $ 15.1
Interest cost   6.1 9.4 12.7
Pension Plan [Member] | UNITED STATES        
Change in Benefit Obligation        
Benefit obligation, beginning of year   28.5 52.8  
Service cost   0.0 0.0  
Interest cost   0.4 0.8  
Settlements   (0.0) (22.3)  
Transfers   0.0 0.0  
Actuarial (gain) loss   (0.6) (0.4)  
Plan participant contributions   0.0 0.0  
Benefits paid   (2.3) (2.4)  
Currency exchange rate changes   0.0 0.0  
Benefit obligation, end of year   26.0 28.5 52.8
Change in Plan Assets        
Fair value of plan assets, beginning of year   0.0 38.8  
Actual return on plan assets   0.0 0.1  
Settlements   0.0 22.3  
Transfers   0.0 0.0  
Plan participant contributions   0.0 0.0  
Company contributions   2.3 (14.2)  
Benefits paid   (2.3) (2.4)  
Currency exchange rate changes   0.0 0.0  
Fair value of plan assets, end of year   0.0 0.0 38.8
Funded Status at End of Year        
Funded status, end of year   (26.0) (28.5)  
Amounts Recognized        
Noncurrent assets   0.0 0.0  
Current liabilities   (2.3) (2.4)  
Noncurrent liabilities   (23.7) (26.1)  
Net amount recognized   (26.0) (28.5)  
Pension Plan [Member] | Foreign Plan [Member]        
Change in Benefit Obligation        
Benefit obligation, beginning of year   965.6 794.8  
Service cost   22.0 21.0  
Interest cost   5.7 8.6  
Settlements   (61.7) (42.2)  
Transfers   52.8 27.0  
Actuarial (gain) loss   (47.3) 90.9  
Plan participant contributions   14.1 11.6  
Benefits paid   (12.8) (13.2)  
Currency exchange rate changes   (40.5) 67.1  
Benefit obligation, end of year   897.9 965.6 794.8
Change in Plan Assets        
Fair value of plan assets, beginning of year   753.6 655.4  
Actual return on plan assets   24.3 49.7  
Settlements   61.7 42.2  
Transfers   52.8 26.2  
Plan participant contributions   14.1 11.6  
Company contributions   18.7 16.1  
Benefits paid   (12.8) (13.2)  
Currency exchange rate changes   (26.5) 50.0  
Fair value of plan assets, end of year   762.5 753.6 655.4
Funded Status at End of Year        
Funded status, end of year   (135.4) (211.9)  
Amounts Recognized        
Noncurrent assets   51.2 32.1  
Current liabilities   (0.8) (1.2)  
Noncurrent liabilities   (185.8) (242.8)  
Net amount recognized   (135.4) (211.9)  
Postretirement Health Coverage [Member]        
Change in Benefit Obligation        
Benefit obligation, beginning of year   14.6 14.1  
Interest cost   0.2 0.4 0.5
Actuarial (gain) loss   0.1 1.0  
Benefits paid   (0.8) (0.9)  
Benefit obligation, end of year   14.1 14.6 $ 14.1
Funded Status at End of Year        
Funded status, end of year   (14.1) (14.6)  
Amounts Recognized        
Current liabilities   (1.2) (1.1)  
Noncurrent liabilities   (12.9) (13.5)  
Net amount recognized   $ (14.1) $ (14.6)