PROPERTY AND EQUIPMENT, net - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Assets under capital leases, gross	$ 6,600	$ 2,600
Capital lease amortization included in depreciation expense	3,100	1,900
Accumulated depreciation attributable to the Lessor Equipment is included in accumulated depreciation	27,727	23,838
Depreciation expense
Capital lease amortization included in depreciation expense	1,200	271	$ 349
Property and equipment used for rental program
Accumulated depreciation attributable to the Lessor Equipment is included in accumulated depreciation	21,948	18,246
Depreciation expense	$ 4,600	$ 4,600	$ 5,100