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STOCK-BASED COMPENSATION (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Nov. 30, 2004
Stock-based compensation        
Common stock authorized for future grants to officers, directors, key employees and other persons (in shares)       2,600,000
Stock-based compensation expense $ 5,141 $ 2,580 $ 5,701  
Stock options        
Stock-based compensation        
Stock-based compensation expense 417 468 456  
Stock appreciation rights        
Stock-based compensation        
Stock-based compensation expense 1,422 1,305 1,107  
Restricted stock        
Stock-based compensation        
Stock-based compensation expense 2,511 3,110 3,240  
Performance stock        
Stock-based compensation        
Stock-based compensation expense $ 791   $ 898  
Stock-based compensation expense (reversal)   $ (2,303)