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SHARE-BASED COMPENSATION (Details 5) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Share-Based Compensation      
Total expense recognized $ 9,108 $ 8,697 $ 9,212
Performance restricted stock units with payout range from 0% to 200% of target
     
Share-Based Compensation      
Award granted (in shares) 34,444    
Estimated fair value on the date of grant 2,500    
Performance restricted stock units with payout range from 0% to 200% of target | Minimum
     
Share-Based Compensation      
Payout of shares expressed as a percentage of target 0.00%    
Risk-free interest rate (as a percent) 0.63%    
Expected volatility (as a percent) 25.52%    
Fair value (in dollars per unit) $ 59.77    
Performance restricted stock units with payout range from 0% to 200% of target | Maximum
     
Share-Based Compensation      
Payout of shares expressed as a percentage of target 200.00%    
Risk-free interest rate (as a percent) 0.79%    
Expected volatility (as a percent) 30.62%    
Fair value (in dollars per unit) $ 70.45    
Performance restricted stock units with payout range from 0% to 150% of target
     
Share-Based Compensation      
Award granted (in shares) 3,548 81,953  
Estimated fair value on the date of grant   $ 2,100  
Performance restricted stock units with payout range from 0% to 150% of target | Minimum
     
Share-Based Compensation      
Payout of shares expressed as a percentage of target   0.00%  
Risk-free interest rate (as a percent)   0.34%  
Expected volatility (as a percent)   31.75%  
Fair value (in dollars per unit)   $ 24.73  
Performance restricted stock units with payout range from 0% to 150% of target | Maximum
     
Share-Based Compensation      
Payout of shares expressed as a percentage of target   150.00%  
Risk-free interest rate (as a percent)   0.35%  
Expected volatility (as a percent)   32.38%  
Fair value (in dollars per unit)   $ 27.62