GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Goodwill
Goodwill impairment loss	$ 0	$ 0	$ 66,367	$ 0
RMS
Goodwill
Goodwill impairment loss			$ 66,367