v3.26.1
FINANCIAL ASSETS AND LIABILITIES - Foreign Exchange Risk (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Not designated as hedging instruments - economic hedges | Currency swaps | Maximum    
Derivatives, Fair Value [Line Items]    
Term of contract 1 year  
Derivative instruments in cash flow hedges | Designated as hedging instruments | Foreign exchange contracts    
Derivatives, Fair Value [Line Items]    
Maximum length of time hedged 1 year  
Weighted average remaining maturity 6 months 6 months
Net loss from derivatives $ 7.0 $ 1.0
Deferred net gains (losses) on derivatives reclassified to net income $ (7.0)  
Net investment hedges | Designated as hedging instruments    
Derivatives, Fair Value [Line Items]    
Maximum length of time hedged 8 years  
Weighted average remaining maturity 3 years 3 years
Net loss from derivatives $ 81.0 $ 6.0
Gain (losses) on net investment hedges $ (39.0)