v3.24.1.1.u2
Income Taxes, Income Tax Provision (Benefit) (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Federal [Abstract]      
Current $ 1.6 $ 1.5 $ 0.1
Deferred 7.1 (47.5) 0.0
State [Abstract]      
Current 2.4 2.3 1.1
Deferred (0.9) (11.4) 0.0
Foreign [Abstract]      
Current 41.0 27.5 17.8
Deferred 0.0 (0.7) (3.8)
Total income tax provision (benefit) $ 51.2 $ (28.3) $ 15.2