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Income Taxes - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Income Tax Examination [Line Items]      
Tax benefit on pretax pension plan settlement expense     $ 101.9
Pension settlement (income) expense $ 0.0 $ (0.9) 417.3
Tax benefit on release of stranded tax effects related to pension plan settlement expense     65.8
Total taxes paid 187.7 189.5 175.4
Undistributed earnings of foreign subsidiaries, including not permanently and permanently reinvested 695.0    
Undistributed foreign earnings 3.5 $ 5.1  
Undistributed earnings of foreign subsidiaries, not permanently reinvested 93.5    
Undistributed earnings of foreign subsidiaries, permanently reinvested $ 601.5    
Percentage of federal income tax liability offset by dividend received deduction 1    
Unrecognized tax benefits that would affect the effective tax rate, if recognized $ 4.3    
Pension Benefits      
Income Tax Examination [Line Items]      
Pension settlement non-cash taxes     167.7
Pension settlement (income) expense     $ 417.3