v3.24.1.1.u2
SUPPLEMENTARY FINANCIAL INFORMATION (Details) - Valuation allowance for deferred income taxes - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Movement in valuation and qualifying accounts      
Beginning Balance $ 338.2 $ 121.9 $ 95.7
Additions 488.0 218.5 27.9
Deductions (27.1) (2.2) (1.7)
Other 0.0 0.0 0.0
Ending Balance $ 799.1 $ 338.2 $ 121.9