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Related Party Transactions (Tables)
9 Months Ended
Apr. 30, 2016
Related Party Transactions [Abstract]  
Schedule of expenses incurred on related party transactions

  Three Months Ended
April 30 ,
  Nine Months Ended
April 30,
 
  2016  2015   2016      2015 
  (in thousands) 
Included in direct cost of revenues $  $  $  $ 
Included in selling, general and administrative           464