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Earnings Per Share (Tables)
 6 Months Ended
May 31, 2017
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,
2017
 
May 31,
2016
 
May 31,
2017
 
May 31,
2016
Net income
$
10,341

 
$
7,275

 
$
9,816

 
$
10,491

Weighted average shares outstanding
48,221

 
49,873

 
48,477

 
50,341

Dilutive impact from common stock equivalents
269

 
481

 
285

 
556

Diluted weighted average shares outstanding
48,490

 
50,354

 
48,762

 
50,897

Basic earnings per share
$
0.21

 
$
0.15

 
$
0.20

 
$
0.21

Diluted earnings per share
$
0.21

 
$
0.14

 
$
0.20

 
$
0.21