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SHORT-TERM INVESTMENTS - Short Term Maturities (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Mar. 31, 2022
Debt Securities, Available-for-sale, Maturity, Amortized Cost, Rolling Maturity [Abstract]    
Amortized cost, Due in 1 year or less $ 189.0  
Amortized cost, Due in 1-2 years 0.0  
Cost or Amortized Cost 189.0 $ 825.9
Debt Securities, Available-for-sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Fair value, Due in 1 year or less 187.0  
Fair value, Due in 1-2 years 0.0  
Total Short-term investments $ 187.0 $ 820.1