DEBT AND OTHER FINANCING ARRANGEMENTS - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Debt Instrument [Line Items]
Total interest expense	$ 3,315	$ 465
Line of Credit | 2020 Antara Term Facility | Term Facility
Debt Instrument [Line Items]
Total interest expense	2,779	0
Line of Credit | 2021 JPMorgan Credit Facility
Debt Instrument [Line Items]
Total interest expense	172	0
Line of Credit | 2018 JPMorgan Revolving Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Total interest expense	0	77
Line of Credit | 2018 JPMorgan Term Loan | Term Facility
Debt Instrument [Line Items]
Total interest expense	0	160
Other
Debt Instrument [Line Items]
Total interest expense	$ 364	$ 228