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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Income Tax Disclosure [Abstract]        
Income tax expense $ 111.2 $ 104.3 $ 270.3 $ 261.3
Effective income tax rate reconciliation, percent 26.00% 24.80% 24.90% 24.40%