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EARNINGS PER SHARE
 6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
EARNINGS PER SHARE
EARNINGS PER SHARE
The following table sets forth the computation of basic and diluted earnings per share of common stock as follows:

 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
2014
 
2013
 
2014
 
2013
Numerator for common earnings per share:
 
 
 
 
 
 
 
Net income
$
14,814

 
$
14,118

 
$
32,178

 
$
26,798

Numerator for basic and diluted earnings per share
$
14,814

 
$
14,118

 
$
32,178

 
$
26,798

 
 
 
 
 
 
 
 
Denominator for basic earnings per share:
 

 
 

 
 
 
 
Weighted average common shares outstanding
47,068

 
45,486

 
46,933

 
45,151

Effect of dilutive securities:
 
 
 
 
 
 
 
Stock options, RSUs and performance-based awards
2,491

 
2,491

 
2,451

 
2,662

Denominator for diluted earnings per share
49,559

 
47,977

 
49,384

 
47,813

 
 
 
 
 
 
 
 
Net income per share:
 

 
 

 
 
 
 
Basic
$
0.31

 
$
0.31

 
$
0.69

 
$
0.59

Diluted
$
0.30

 
$
0.29

 
$
0.65

 
$
0.56


During the three and six months ended June 30, 2014, a total of 2,493 and 1,882 shares underlying equity-based awards, respectively, were outstanding but were not included in the computation of diluted earnings per share because the effect was anti-dilutive. During the three and six months ended June 30, 2013, a total of 950 and1,162 shares underlying equity-based awards, respectively, were outstanding but were not included in the computation of diluted earnings per share because the effect was anti-dilutive.