DEBT AND OTHER FINANCING ARRANGEMENTS - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Debt Instrument [Line Items]
Total interest expense	$ 478	$ 3,285
Line of Credit | 2020 Antara Term Facility | Term Facility
Debt Instrument [Line Items]
Total interest expense	0	2,779
Line of Credit | 2021 JPMorgan Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Total interest expense	230	172
Other obligations
Debt Instrument [Line Items]
Total interest expense	$ 248	$ 334