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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2024
Related Party Transaction [Line Items] |  |  |  |  |
Accounts receivable | $ 166,687 |  | $ 166,687 |  | $ 199,630
Unbilled work in progress | 202,716 |  | 202,716 |  | 192,012
Other assets | 120,142 |  | 120,142 |  | 90,677
Related Party |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Accounts receivable | 37 |  | 37 |  |
Unbilled work in progress |  |  |  |  | 7,228
Certain Employees |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Other assets | 42,703 |  | 42,703 |  | $ 32,937
Financial Advisory Services |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Related party transaction, amounts of transaction | $ 1,049 | $ 6,686 | $ 2,470 | $ 8,223 |

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