ACCRUED EXPENSES - Exit and Disposal Activities (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2017	Jun. 30, 2017
Accrued expenses and Other long-term liabilities
Exit activity
Accrued severance balance at beginning of period	$ 712	$ 2,300
Severance expense		775
Cash payments		(2,383)
Impact of foreign exchange		20
Accrued severance balance at end of period		$ 712
Accrued severance liability assumed in the Merger | Plan
Exit activity
Cash payments	$ (700)