DEBT AND OTHER FINANCING ARRANGEMENTS - Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Debt Instrument [Line Items]
Interest expense	$ 2,597	$ 2,992	$ 3,105
2020 Antara Term Facility | 2020 Antara Term Facility
Debt Instrument [Line Items]
Interest expense	1,218	0	0
Line of Credit | Heritage Line of Credit
Debt Instrument [Line Items]
Interest expense	0	0	203
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Interest expense	303	658	449
2018 JPMorgan Term Loan | 2018 JP Morgan Term Loan
Debt Instrument [Line Items]
Interest expense	160	1,232	892
Other Debt
Debt Instrument [Line Items]
Interest expense	$ 916	$ 1,102	$ 1,561