DEBT AND OTHER FINANCING ARRANGEMENTS - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Debt Instrument [Line Items]
Total interest expense	$ 683	$ 913	$ 1,981	$ 2,518
Term Facility
Debt Instrument [Line Items]
Total interest expense	542	0	921	0
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Total interest expense	0	170	303	526
Term Loan
Debt Instrument [Line Items]
Total interest expense	0	456	160	1,158
Other interest expense
Debt Instrument [Line Items]
Total interest expense	$ 141	$ 287	$ 597	$ 834