Earnings Per Share (Tables)
 6 Months Ended
May. 31, 2015
Earnings Per Share [Abstract]  
Calculation of Basic and Diluted Earnings Per Share
The following table sets forth the calculation of basic and diluted earnings per share on an interim basis (in thousands, except per share data):

 
Three Months Ended
 
Six Months Ended
 
May 31,
2015
 
May 31,
2014
 
May 31,
2015
 
May 31,
2014
Net income
$
5,769

 
$
12,799

 
$
4,798

 
$
23,899

Weighted average shares outstanding
50,342

 
51,049

 
50,505

 
51,271

Dilutive impact from common stock equivalents
743

 
624

 
719

 
648

Diluted weighted average shares outstanding
51,085

 
51,673

 
51,224

 
51,919

Basic earnings per share
$
0.11

 
$
0.25

 
$
0.10

 
$
0.47

Diluted earnings per share
$
0.11

 
$
0.25

 
$
0.09

 
$
0.46