INCOME TAXES - Provision (benefit) for income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Current:
Federal	$ 198	$ 4,490
State and local	5	967
Foreign	1,193	944
Deferred:
Federal	(18,954)	(20,560)
State and local	(4,019)	(4,807)
Foreign	(298)	(374)
Income tax benefit	$ (21,875)	$ (19,340)