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Related Party Transactions (Tables)
3 Months Ended
Oct. 31, 2014
Related Party Transactions [Abstract]  
Schedule of expenses incurred on related party transactions

  Three Months Ended 
October 31,
 
  2014  2013 
  (in thousands) 
Included in direct cost of revenues $  $28 
Included in selling, general and administrative  421   254