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Computation of Earnings Per Share
 9 Months Ended
Feb. 28, 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 and nine months ended February 28, 2014 and 2013:
 
Three Months Ended February 28,
 
Nine Months Ended February 28,
 
2014
 
2013
 
2014
 
2013
Denominator:
 
 
 
 
 
 
 
Denominator for basic earnings per share - weighted average common shares outstanding (including shares issuable for vested restricted stock units)
24,334

 
23,996

 
24,320

 
23,995

Effect of unvested restricted stock units
33

 
262

 
29

 
233

Diluted shares used in per share calculation
24,367

 
24,257

 
24,349

 
24,228

Net income
$
4,537

 
$
5,037

 
$
15,815

 
$
16,362

Earnings per share:
 
 
 
 
 
 
 
Basic
$
0.19

 
$
0.21

 
$
0.65

 
$
0.68

Diluted
$
0.19

 
$
0.21

 
$
0.65

 
$
0.68