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Related Party Transactions (Tables)
 6 Months Ended
Jan. 31, 2016
Related Party Transactions [Abstract]  
Schedule of expenses incurred on related party transactions
  Three Months Ended
January 31,		  Six Months Ended
January 31,		 
  2016  2015   2016      2015 
  (in thousands) 
Included in direct cost of revenues $—  $—  $—  $— 
Included in selling, general and administrative  —   43   —   464