DEBT AND OTHER FINANCING ARRANGEMENTS - Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Debt Instrument [Line Items]
Other interest expense	$ 2	$ 6	$ 10
Total interest expense	2,326	524	4,013
Line of Credit
Debt Instrument [Line Items]
Interest expense related to change in sales tax reserve	(326)	(386)	218
Line of Credit | 2020 Antara Term Facility | Term Facility
Debt Instrument [Line Items]
Interest expense	0	0	2,779
Line of Credit | JPMorgan Credit Facility
Debt Instrument [Line Items]
Interest expense	$ 2,650	$ 904	$ 1,006