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TREASURY STOCK (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended | 77 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Mar. 31, 2024 | May 03, 2022 | Oct. 24, 2017
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Value of shares repurchased | $ 25,257 | $ 31,137 |  |  |  |
Restricted Stock Units |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Shares paid for tax withholding (in shares) | 681,963 | 624,941 |  |  |  |
Cost related to tax withholding | $ 13,500 | $ 18,700 |  |  |  |
Share Repurchase Program, October 2017 |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Stock authorized to repurchase under stock repurchase program (in shares) |  |  |  |  |  | 25,000,000
Shares repurchased during the period (in shares) |  | 1,117,777 |  | 25,000,000 |  |
Value of shares repurchased |  | $ 31,200 |  | $ 694,100 |  |
Share Repurchase Program, May 2022 |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Stock authorized to repurchase under stock repurchase program (in shares) |  |  |  |  | 25,000,000 |
Shares repurchased during the period (in shares) | 1,362,205 |  | 1,976,721 |  |  |
Value of shares repurchased | $ 25,300 |  | $ 41,600 |  |  |
Stock remaining to be purchased (in shares) | 23,023,279 |  | 23,023,279 |  |  |

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