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STOCK COMPENSATION - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock compensation $ 6,782 $ 5,072
Stock based compensation expense not yet recognized in income $ 14,200  
Weighted average remaining period for unrecognized stock based compensation (in years) 1 year 9 months 14 days  
Restricted Stock Awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Period that options vest 3 years  
Restricted Stock Awards | Director    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Period that options vest 1 year  
Performance Share Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Period that options vest 3 years  
Shares issuable upon vesting (in shares) 1  
Performance Share Units | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Payout levels percentage 50.00%  
Performance Share Units | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Payout levels percentage 200.00%