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Computation of Earnings Per Share
 3 Months Ended
Aug. 31, 2014
Earnings Per Share [Abstract]  
Computation of Earnings Per Share
Computation of Earnings per Share
The following is a reconciliation of the denominator used in the computation of basic and diluted earnings per share for the three months ended August 31, 2014 and 2013:
 
Three Months Ended August 31,
 
2014
 
2013
Denominator:
 
 
 
Denominator for basic earnings per share - weighted average common shares outstanding (including shares issuable for vested restricted stock units)
24,372

 
24,291

Effect of unvested restricted stock units
24

 
37

Diluted shares used in per share calculation
24,396

 
24,328

Net income
$
4,771

 
$
5,697

Earnings per share:
 
 
 
Basic
$
0.20

 
$
0.23

Diluted
$
0.20

 
$
0.23


We did not include 69 and 0 shares in the calculation of diluted earnings per share for the three months ended August 31, 2014 and 2013, respectively, as to do so would be antidilutive.