STOCKHOLDERS’ EQUITY - Performance RSU Activity (Details) - Performance RSUs	6 Months Ended
	Mar. 31, 2024 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	730,393
Granted (in shares) | shares	778,232
Settled (in shares) | shares	(187,454)
Canceled (in shares) | shares	(64,508)
Outstanding at end of period (in shares) | shares	1,256,663
Weighted-Average Fair Market Value Per Share
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 13.37
Granted (in dollars per share) | $ / shares	11.05
Settled (in dollars per share) | $ / shares	11.23
Canceled (in dollars per share) | $ / shares	13.64
Outstanding at end of period (in dollars per share) | $ / shares	$ 12.24