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Earnings Per Share
 12 Months Ended
Aug. 31, 2013
Earnings Per Share [Abstract]  
Earnings Per Share

2.  Earnings Per Share

 

The following table sets forth the computation of basic and diluted earnings per share:

 

 

 

 

 

 

 

 

 

 

 

 

 

Year ended August 31,

 

 

2013

 

2012

 

2011

Numerator:

 

 

 

 

 

 

 

 

 

Net income

 

$
36,701 

 

$
36,085 

 

$
19,225 

 

 

 

 

 

 

 

 

 

 

Denominator:

 

 

 

 

 

 

 

 

 

Weighted average common shares outstanding– basic

 

 
56,384 

 

 
60,078 

 

 
61,781 

Effect of dilutive employee stock options and

 

 

 

 

 

 

 

 

 

unvested restricted stock units

 

 
807 

 

 
94 

 

 
162 

Weighted average common shares – diluted

 

 
57,191 

 

 
60,172 

 

 
61,943 

 

 

 

 

 

 

 

 

 

 

Net income per common share – basic

 

$
0.65 

 

$
0.60 

 

$
0.31 

Net income per common share – diluted

 

$
0.64 

 

$
0.60 

 

$
0.31 

 

 

 

 

 

 

 

 

 

 

Anti-dilutive securities excluded(1)

 

 
3,278 

 

 
6,705 

 

 
6,367 

—————————

 

 

 

(1)  Anti-dilutive securities consist of stock options and unvested restricted stock units that were not included in the computation of diluted earnings per share because either the exercise price of the options was greater than the average market price of the common stock or the total assumed proceeds under the treasury stock method resulted in negative incremental shares and thus the inclusion would have been anti-dilutive.