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Earnings Per Share
 9 Months Ended
Aug. 31, 2013
Text Block [Abstract]  
Earnings Per Share
Earnings Per Share
The following table sets forth the computation of basic and diluted (loss) earnings per share for the three and nine months ended August 31, 2012 and 2013 (in thousands, except share and per share amounts):
 
 
Three Months Ended
 
Nine Months Ended
 
 
August 31,
2012
 
August 31,
2013
 
August 31,
2012
 
August 31,
2013
Numerator:
 
 
 
 
 
 
 
 
Net (loss) income
 
$
(1,037
)
 
$
(7,866
)
 
$
29,842

 
$
28,087

Denominator:
 
 
 
 
 
 
 
 
Weighted average shares outstanding
 
46,422,879

 
46,503,220

 
46,373,280

 
46,459,022

Effect of dilutive securities
 
—

 
—

 
10,033

 
15,938

Diluted weighted average shares outstanding
 
46,422,879

 
46,503,220

 
46,383,313

 
46,474,960

 
 
 
 
 
 
 
 
 
Basic and diluted earnings per share
 
$
(0.02
)
 
$
(0.17
)
 
$
0.64

 
$
0.60

 
 
 
 
 
 
 
 
 
Anti-dilutive shares excluded in the computation of diluted (loss) earnings per share
 
225,252

 
206,750

 
163,005

 
145,701