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Earnings Per Share
 12 Months Ended
Aug. 31, 2015
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:

 

 

 

 

 

 

 

 

 

 

 

 

 

Fiscal year ended August 31,

 

 

2015

 

2014

 

2013

Numerator:

 

 

 

 

 

 

 

 

 

Net income

 

$
64,485 

 

$
47,916 

 

$
36,701 

 

 

 

 

 

 

 

 

 

 

Denominator:

 

 

 

 

 

 

 

 

 

Weighted average common shares outstanding– basic

 

 
52,572 

 

 
55,164 

 

 
56,384 

Effect of dilutive employee stock options and

 

 

 

 

 

 

 

 

 

unvested restricted stock units

 

 
1,381 

 

 
1,455 

 

 
807 

Weighted average common shares – diluted

 

 
53,953 

 

 
56,619 

 

 
57,191 

 

 

 

 

 

 

 

 

 

 

Net income per common share – basic

 

$
1.23 

 

$
0.87 

 

$
0.65 

Net income per common share – diluted

 

$
1.20 

 

$
0.85 

 

$
0.64 

 

 

 

 

 

 

 

 

 

 

Anti-dilutive securities excluded(1)

 

 
342 

 

 
988 

 

 
3,278 

—————————

 

 

 

 

 

 

 

 

(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.