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INCOME TAXES - Schedule of Components of Income Tax Expense (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Current:      
Federal $ 75.5 $ 128.9 $ 142.0
State 16.8 30.1 30.8
Total Current Income Tax Expense 92.3 159.0 172.8
Deferred:      
Federal 43.2 33.8 130.7
State 9.5 6.0 18.3
Total Deferred Income Tax Expense 52.7 39.8 149.0
Total Income Tax Expense $ 145.0 $ 198.8 $ 321.8