EQUITY, STOCK-BASED COMPENSATION AND EARNINGS (LOSS) PER SHARE - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Nov. 04, 2021	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2022	Nov. 03, 2021
Stockholders equity and income (loss) per share
Common and preferred stock authorized (in shares)	75,000,000						20,000,000
Common stock authorized (in shares)	74,000,000	74,000,000		74,000,000		74,000,000	19,000,000
Preferred stock authorized (in shares)	1,000,000						1,000,000
Shares added under amended and restated plan (in shares)	1,500,000
Number of shares remained available for grants (in shares)		374,953		374,953
Stock issued in acquisitions (In shares)		0	17,618	0	9,498,213
Stock based compensation expense		$ 2,029	$ 1,987	$ 5,856	$ 27,057
Envigo RMS Holding Corp
Stockholders equity and income (loss) per share
Stock based compensation expense				23,014
Post-combination expense recognized in connection acquisition inclusive of cash				$ 4,772