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Earnings (Loss) Per Share (Tables)
 3 Months Ended
Feb. 28, 2018
Earnings Per Share [Abstract]  
Calculation of Basic and Diluted Earnings Per Share
The following table sets forth the calculation of basic and diluted earnings (loss) per share on an interim basis (in thousands, except per share data):

 
Three Months Ended
 
February 28,
2018
 
February 28,
2017
Net income (loss)
$
12,912

 
$
(525
)
Weighted average shares outstanding
46,529

 
48,733

Dilutive impact from common stock equivalents
947

 
—

Diluted weighted average shares outstanding
47,476

 
48,733

Basic earnings (loss) per share
$
0.28

 
$
(0.01
)
Diluted earnings (loss) per share
$
0.27

 
$
(0.01
)