DEBT AND OTHER FINANCING ARRANGEMENTS - Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Debt Instrument [Line Items]
Other interest expense	$ 6	$ 10	$ 358
Total interest expense	524	4,013	2,597
Line of Credit
Debt Instrument [Line Items]
Interest expense related to change in sales tax reserve	(386)	218	558
Line of Credit | 2020 Antara Term Facility | Term Facility
Debt Instrument [Line Items]
Interest expense	0	2,779	1,218
Line of Credit | 2021 JPMorgan Credit Facility
Debt Instrument [Line Items]
Interest expense	904	1,006	0
Line of Credit | 2018 JPMorgan Revolving Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Interest expense	0	0	303
Line of Credit | 2018 JPMorgan Term Loan | Term Facility
Debt Instrument [Line Items]
Interest expense	$ 0	$ 0	$ 160