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EARNINGS PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]  
Computation of Basic and Diluted 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,
 
2017
 
2016
 
2017
 
2016
Numerator for basic and diluted earnings per share:
 
 
 
 
 
 
 
Net income
$
37,359

 
$
24,430

 
$
61,000

 
$
48,329

Numerator for basic and diluted earnings per share
$
37,359

 
$
24,430

 
$
61,000

 
$
48,329

 
 
 
 
 
 
 
 
Denominator:
 

 
 

 
 
 
 
Weighted average common shares for basic earnings per share
51,899

 
50,211

 
51,431

 
49,688

Net effect of dilutive stock options, restricted stock units and restricted stock awards
2,949

 
3,060

 
2,940

 
3,115

Weighted average common shares for diluted earnings per share
54,848

 
53,271

 
54,371

 
52,803

 
 
 
 
 
 
 
 
Net income per share:
 

 
 

 
 
 
 
Basic
$
0.72

 
$
0.49

 
$
1.19

 
$
0.97

Diluted
$
0.68

 
$
0.46

 
$
1.12

 
$
0.92