STOCK-BASED COMPENSATION - Schedule of Performance Share Payout Information (Details) - Performance shares - shares	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
2018 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
2019 Performance Share Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent payout	118.00%
Total shares earned (in shares)	1,084,000
Shares distributed in cash, primarily for tax withholding (in shares)	450,000