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Derivatives (Tables)
12 Months Ended
Jun. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of significant outstanding derivatives employed to manage market risk and designated as cash flow hedges
Instrument
   
Hedge
   
Notional 
amount at 
June 30, 2017
   
Fair value as of June 30,
 
 
2017
   
2016
 
Options
   
Brazilian Real calls 
   
R$ 39,000 
      $ 2,686         $ 3,027    
Options
   
Brazilian Real puts 
   
R$ 39,000 
      $         $ (372)