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STOCK-BASED COMPENSATION - Schedule of Performance Share Payout Information (Details) - Performance shares - shares | 12 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023
2018 Performance Share Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percent payout |  | 106.00%
Total shares earned (in shares) |  | 1,557,000
Shares distributed in cash, primarily for tax withholding (in shares) |  | 684,000
2019 Performance Share Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percent payout | 118.00% |
Total shares earned (in shares) | 1,733,000 |
Shares distributed in cash, primarily for tax withholding (in shares) | 755,000 |

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