OTHER LONG-TERM LIABILITIES (Detail Textuals) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Costs associated with post-retirement plan	$ 400	$ 300
Fair Value, Measurements, Recurring | Other long-term liabilities | Level 2 | Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreements	$ 21,609	$ 11,728