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DEBT AND OTHER FINANCING ARRANGEMENTS - Other Long-Term Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2018	Nov. 09, 2017	Jun. 30, 2017
Debt Instrument [Line Items]
Long-term debt	$ 12,797
Capital lease obligations		$ 100			$ 400
Minimum
Debt Instrument [Line Items]
Capital lease obligations term	2 years
Maximum
Debt Instrument [Line Items]
Capital lease obligations term	5 years
Capital Lease Obligations \| Minimum
Debt Instrument [Line Items]
Interest rate	5.60%
Capital Lease Obligations \| Maximum
Debt Instrument [Line Items]
Interest rate	9.00%
Cantaloupe
Debt Instrument [Line Items]
Long-term debt	$ 800	1,400		$ 1,800
Cantaloupe \| Notes Five Percent Due April 2020
Debt Instrument [Line Items]
Long-term debt	200	400
Interest rate			5.00%
Cantaloupe \| Notes Ten Percent Due September 2021
Debt Instrument [Line Items]
Long-term debt	400	700
Interest rate			10.00%
Cantaloupe \| Notes Twelve Percent Due December 2019
Debt Instrument [Line Items]
Long-term debt	$ 100	$ 300
Interest rate			12.00%