v3.26.1
EMPLOYEE BENEFIT PLANS - ADDITIONAL INFORMATION (Details) - USD ($)
9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Defined Benefit Plan Disclosure [Line Items]    
Amortization period for plan amendment 8 years  
Pension    
Defined Benefit Plan Disclosure [Line Items]    
Employer contributions $ 0 $ 0