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EARNINGS PER SHARE (Tables)
3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Schedule of computation of basic and diluted earnings per share
The following table sets forth the computation of basic and diluted earnings per share:
 
Three Months Ended March 31,
 
2019
 
2018
Numerator:
 

 
 

Net income
$
71,480

 
$
60,824

Denominator (shares in 000's):
 

 
 

Basic weighted average shares outstanding
63,160

 
65,579

Effect of dilutive securities - Stock options and awards
739

 
864

Diluted weighted average shares outstanding
63,899

 
66,443

Basic earnings per share
$
1.13

 
$
0.93

Diluted earnings per share
$
1.12

 
$
0.92