v3.24.3
Income Taxes - Income tax (benefit) expense (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2022
Current      
Federal $ 111.2 $ 96.4 $ 71.1
State 22.9 21.0 11.1
Foreign 6.5 5.2 13.2
Current 140.6 122.6 95.4
Deferred      
Federal (22.8) (10.7) (9.7)
State (12.6) (11.8) 0.0
Foreign (0.1) (0.4) 0.0
Deferred (35.5) (22.9) (9.7)
Income tax expense $ 105.1 $ 99.7 $ 85.7