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SEGMENT AND GEOGRAPHICAL INFORMATION - Revenue and Assets by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 513,609 | $ 415,829 |
Segment profit | 157,212 | 120,115 |
Corporate expenses | 418,041 | 342,482 |
Other income, net | (4,306) | (3,005) |
Income before provision for income taxes | 99,874 | 76,352 |
Total assets | 2,942,916 |  | $ 3,170,759
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 1,509,890 |  | 1,510,244
Operating Segments | Corporate Finance |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 328,417 | 227,051 |
Segment profit | 100,422 | 61,622 |
Total assets | 1,144,817 |  | 1,147,432
Operating Segments | Financial Restructuring |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 117,422 | 123,368 |
Segment profit | 39,149 | 43,594 |
Total assets | 197,444 |  | 192,185
Operating Segments | Financial Advisory Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 67,770 | 65,410 |
Segment profit | 17,641 | 14,899 |
Total assets | 167,629 |  | 170,627
Corporate, Non-Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Corporate expenses | 61,644 | 46,768 |
Total assets | 1,433,026 |  | $ 1,660,515
Segment Reconciling Items |  |  |
Segment Reporting Information [Line Items] |  |  |
Other income, net | $ (4,306) | $ (3,005) |

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