DEBT AND OTHER FINANCING ARRANGEMENTS - Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Debt Instrument [Line Items]
Interest expense	$ 2,992	$ 3,105	$ 2,228
Line of Credit | Heritage Line of Credit
Debt Instrument [Line Items]
Interest expense	0	203	547
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Interest expense	658	449	0
Term Loan
Debt Instrument [Line Items]
Interest expense	1,232	892	0
Other Debt
Debt Instrument [Line Items]
Interest expense	$ 1,102	$ 1,561	$ 1,681