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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
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension Plan [Member]      
Change in Benefit Obligation      
Service cost $ 16.5 $ 15.5 $ 19.4
Interest cost 19.4 21.1 8.7
Pension Plan [Member] | Foreign Plan [Member]      
Change in Benefit Obligation      
Benefit obligation, beginning of year 713.2 632.3  
Service cost 16.5 15.5  
Interest cost 18.5 20.1  
Curtailments (2.7) 0.0  
Settlements (50.9) (66.4)  
Transfers 26.5 26.9  
Actuarial (gain) loss (3.9) 43.3  
Plan participant contributions 11.4 12.4  
Benefits paid (16.0) (14.2)  
Currency exchange rate changes (42.8) 43.3  
Benefit obligation, end of year 669.8 713.2 632.3
Change in Plan Assets      
Fair value of plan assets, beginning of year 596.3 547.8  
Actual return on plan assets 40.7 30.3  
Settlements (50.9) (66.4)  
Transfers 23.7 28.4  
Plan participant contributions 11.4 12.4  
Company contributions 17.4 17.6  
Benefits paid (16.0) (14.2)  
Currency exchange rate changes (36.5) 40.4  
Fair value of plan assets, end of year 586.1 596.3 547.8
Funded Status at End of Year      
Funded status, end of year (83.7) (117.0)  
Amounts Recognized      
Noncurrent assets 22.7 8.8  
Current liabilities (1.2) (1.0)  
Noncurrent liabilities (105.2) (124.8)  
Net amount recognized (83.7) (117.0)  
Pension Plan [Member] | UNITED STATES      
Change in Benefit Obligation      
Benefit obligation, beginning of year 19.2 20.5  
Service cost 0.0 0.0  
Interest cost 0.9 1.0  
Curtailments 0.0 0.0  
Settlements 0.0 0.0  
Transfers 0.0 0.0  
Actuarial (gain) loss (0.0) (0.1)  
Plan participant contributions 0.0 0.0  
Benefits paid (2.1) (2.2)  
Currency exchange rate changes 0.0 0.0  
Benefit obligation, end of year 18.0 19.2 20.5
Change in Plan Assets      
Fair value of plan assets, beginning of year 0.0 0.0  
Actual return on plan assets 0.0 0.0  
Settlements 0.0 0.0  
Transfers 0.0 0.0  
Plan participant contributions 0.0 0.0  
Company contributions 2.1 2.2  
Benefits paid (2.1) (2.2)  
Currency exchange rate changes 0.0 0.0  
Fair value of plan assets, end of year 0.0 0.0 0.0
Funded Status at End of Year      
Funded status, end of year (18.0) (19.2)  
Amounts Recognized      
Noncurrent assets 0.0 0.0  
Current liabilities (2.2) (2.2)  
Noncurrent liabilities (15.8) (17.0)  
Net amount recognized (18.0) (19.2)  
Postretirement Health Coverage [Member]      
Change in Benefit Obligation      
Benefit obligation, beginning of year 10.2 11.5  
Interest cost 0.5 0.5 0.3
Actuarial (gain) loss (1.1) (1.0)  
Benefits paid (0.8) (0.8)  
Benefit obligation, end of year 8.8 10.2 $ 11.5
Funded Status at End of Year      
Funded status, end of year (8.8) (10.2)  
Amounts Recognized      
Current liabilities (1.0) (1.1)  
Noncurrent liabilities (7.8) (9.1)  
Net amount recognized $ (8.8) $ (10.2)