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SHARE BASED COMPENSATION - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Intrinsic value of options exercised | $ 0.4 |  |
Exercised (in shares) | 30,000.00 | 0 | 0
Intrinsic value of share options exercised | $ 0.1 |  |
Remaining contractual term | 1 year 10 months 24 days |  |
Restricted Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 3 years |  |
Remaining unrecognized pre-tax compensation cost | $ 41.3 |  |
Nonvested award, cost not yet recognized, period for recognition | 1 year 3 months 18 days |  |

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