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Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Acquisition And Purchase Accounting For Valuation Allowance Deferred Tax Assets $ 0.0 $ (1.3) $ 0.0  
Income tax holiday, aggregate dollar amount 51.1 51.9 52.5  
Undistributed earnings 2,000.0      
Unrecognized tax benefits 86.5 84.9 82.4 $ 65.2
Unrecognized tax benefits that would impact effective tax rate 47.8      
Unrecognized tax benefits, income tax penalties and interest accrued 13.9 16.0    
Unrecognized tax benefits, income tax penalties and interest expense recognized 0.4 0.2    
Tax benefit to continuing operations 627.6 $ 498.4 $ 375.9  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ (35.0)      
Period Changes In Unrecognized Tax Benefit, in months 12      
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00% 21.00%  
Effective Income Tax Rate Reconciliation, Percent 19.40% 19.40% 17.30%  
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries $ 316.0      
Foreign Tax Credits [Domain]        
Valuation allowance change $ (30.4)   $ (48.2)  
legal entity restructuring        
Valuation allowance change   $ (30.3)