DEBT AND OTHER FINANCING ARRANGEMENTS - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total interest expense	$ 475	$ 596		$ 953	$ 3,881
Line of Credit | 2020 Antara Term Facility | Term Facility
Debt Instrument [Line Items]
Total interest expense	0	0	$ 2,779	0
Line of Credit | 2021 JPMorgan Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Total interest expense	227	303		457	475
Other obligations
Debt Instrument [Line Items]
Total interest expense	$ 248	$ 293		$ 496	$ 627