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Earnings Per Share (Tables)
 3 Months Ended
Oct. 31, 2015
Earnings Per Share [Abstract]  
Computation of Earnings Per Share
The computation of earnings per share is included in the following table.

  
Three Months Ended
 
  
October 31,
2015
  
November 1,
2014
 
     
Net income attributable to Ecology and Environment, Inc.
 
$
664,093
  
$
847,160
 
Dividends declared
  
---
   
---
 
Balance at end of period
 
$
664,093
  
$
847,160
 
         
Weighted-average common shares outstanding (basic and diluted)
  
4,288,404
   
4,288,371
 
         
Distributed earnings per share
 
$
---
  
$
---
 
Undistributed earnings per share
  
0.15
   
0.20
 
Total earnings per share
 
$
0.15
  
$
0.20