GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Goodwill [Roll Forward]
Beginning balance	$ 131,574	$ 123,548
Foreign currency effect on goodwill	1,883	8,026
Ending balance	$ 133,457	$ 131,574