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EARNINGS PER SHARE (Tables)
 9 Months Ended
Sep. 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 
 September 30,
 
Nine Months Ended 
 September 30,
 
2017
 
2016
 
2017
 
2016
Numerator for basic and diluted earnings per share:
 
 
 
 
 
 
 
Net income
$
42,634

 
$
26,174

 
$
103,634

 
$
74,503

Numerator for basic and diluted earnings per share
$
42,634

 
$
26,174

 
$
103,634

 
$
74,503

 
 
 
 
 
 
 
 
Denominator:
 

 
 

 
 
 
 
Weighted average common shares for basic earnings per share
52,545

 
51,131

 
51,807

 
50,172

Net effect of dilutive stock options, restricted stock units and restricted stock awards
2,684

 
2,733

 
2,855

 
2,987

Weighted average common shares for diluted earnings per share
55,229

 
53,864

 
54,662

 
53,159

 
 
 
 
 
 
 
 
Net income per share:
 

 
 

 
 
 
 
Basic
$
0.81

 
$
0.51

 
$
2.00

 
$
1.48

Diluted
$
0.77

 
$
0.49

 
$
1.90

 
$
1.40