COMMITMENTS AND CONTINGENCIES - Summary of sale of rental equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Rental equipment sold, cost		$ 3,873
Rental equipment sold, accumulated depreciation upon sale		(331)
Rental equipment sold, net book value		3,542
Proceeds from sale		4,994
Gain on sale of rental equipment		$ 1,452

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The net gain (loss) arising from the lessor's sale of assets held- or available-for-lease under contractual arrangements classified as operating leases.

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The accumulated depreciation and amortization related to the asset(s) sold in connection with the property sold to another party and leased back to the seller.

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The historical cost of the asset(s) sold in connection with the sale of the property to another party and the lease of the property back to the seller.

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The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller.

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Amount of cash inflow after closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in investing activities.

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