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FAIR VALUE MEASUREMENTS - Narrative (Details) - Level 2 - USD ($) $ in Millions | Mar. 31, 2023 | Mar. 31, 2022
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Convertible Senior Notes 2024 | Convertible Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value | $ 57.3 | $ 470.5
Convertible Notes 2028 | Convertible Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value | 183.0 |
Term Loan | Loans Payable |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value | $ 226.4 |

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