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SUPPLEMENTARY FINANCIAL INFORMATION
 12 Months Ended
Mar. 31, 2024
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SUPPLEMENTARY FINANCIAL INFORMATION SUPPLEMENTARY FINANCIAL INFORMATION
    The following table provides details of our valuation and qualifying accounts:
Beginning
Balance		AdditionsDeductionsOtherEnding
Balance
Fiscal Year Ended March 31, 2024     
Valuation allowance for deferred income taxes$338.2 488.0 (27.1)— $799.1 
Fiscal Year Ended March 31, 2023     
Valuation allowance for deferred income taxes$121.9 218.5 (2.2)— $338.2 
Fiscal Year Ended March 31, 2022     
Valuation allowance for deferred income taxes$95.7 27.9 (1.7)— $121.9