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EARNINGS PER SHARE (Tables)
 12 Months Ended
Nov. 30, 2015
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Earnings Per Share
The following table sets forth the computation of basic and diluted earnings per share for the years ended November 30, (in thousands, except share and per share amounts):
 
 
 
2013
 
2014
 
2015
Numerator:
 
 
 
 
 
 
Net income
 
$
45,292

 
$
67,379

 
$
56,634

Denominator:
 
 
 
 
 
 
Weighted average shares outstanding
 
46,470,647

 
46,559,232

 
46,621,211

Common stock options
 
15,914

 
13,806

 
14,619

Diluted weighted average shares outstanding
 
46,486,561

 
46,573,038

 
46,635,830

 
 
 
 
 
 
 
Basic and diluted earnings per share
 
$
0.97

 
$
1.45

 
$
1.21

 
 
 
 
 
 
 
Anti-dilutive shares excluded in the computation of diluted earnings per share
 
143,656

 
121,462

 
98,928