DEBT - Schedule of Effective Interest Rates (Details)	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Term Loan
DEBT
Effective interest rates (percent)	11.71%	11.53%
Delayed Draw Term Loan
DEBT
Effective interest rates (percent)	11.69%	11.51%
Additional Term Loans
DEBT
Effective interest rates (percent)	11.82%	11.64%