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OTHER LONG-TERM LIABILITIES (Detail Textuals) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Other Long-Term Liabilities [Abstract]    
Costs associated with post-retirement plan $ 300 $ 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]    
Fair value of swap agreements $ 11,728 $ 7,774