SHORT-TERM INVESTMENTS - Contracted Maturities of Short-term Investments (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Mar. 31, 2026 |
|---|---|---|
| Debt Securities, Available-for-sale, Maturity, Amortized Cost, Rolling Maturity [Abstract] | ||
| Amortized Cost, Due in 1 year or less | $ 461.7 | |
| Cost or Amortized Cost | 461.7 | $ 443.8 |
| Debt Securities, Available-for-sale, Maturity, Fair Value, Rolling Maturity [Abstract] | ||
| Fair Value, Due in 1 year or less | 461.7 | |
| Fair Value, Total Short-term investments | $ 461.7 | $ 443.8 |