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Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Current:      
Federal $ 149.1 $ 32.6 $ 5.7
State 18.1 26.1 8.3
Foreign 56.7 12.5 10.1
Total current income taxes 223.9 71.2 24.1
Deferred:      
Federal (93.7) (4.3) 23.0
State 14.6 (17.6) (0.2)
Foreign 24.1 0.3 (7.0)
Total deferred income taxes (55.0) (21.6) 15.8
Income taxes at effective rates $ 168.9 $ 49.6 $ 39.9