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NET EARNINGS PER SHARE (Tables)
 9 Months Ended
Sep. 30, 2017
NET EARNINGS PER SHARE [Abstract]  
Reconciliation of the Net Earnings and Shares Used in Calculating Basic and Diluted Net Earnings Per Share
The following presents a reconciliation of the net earnings and shares used in calculating basic and diluted net earnings per share:

 
 
Three months ended September 30, 2017
 
Net
Earnings
(Numerator)
  
Number of
Shares
(Denominator)
  
Per Share
Amount
 
Basic EPS – Net earnings and weighted average common shares outstanding
 
$
16,043
   
31,906,629
  
$
.50
 
             
Effect of dilutive securities – stock options, restricted stock, and performance shares
      
334,827
     
             
Diluted EPS – Net earnings and weighted average common shares outstanding and effect of stock options, restricted stock, and performance shares
 
$
16,043
   
32,241,456
  
$
.50
 
 
 
 
Three months ended September 30, 2016
 
Net
Earnings
(Numerator)
  
Number of
Shares
(Denominator)
  
Per Share
Amount
 
Basic EPS – Net earnings and weighted average common shares outstanding
 
$
14,012
   
31,566,067
  
$
.44
 
             
Effect of dilutive securities – stock options, restricted stock, and performance shares
      
412,736
     
             
Diluted EPS – Net earnings and weighted average common shares outstanding and effect of stock options, restricted stock, and performance shares
 
$
14,012
   
31,978,803
  
$
.44
 


 
 
Nine months ended September 30, 2017
 
Net
Earnings
(Numerator)
  
Number of
Shares
(Denominator)
  
Per Share
Amount
 
Basic EPS – Net earnings and weighted average common shares outstanding
 
$
48,096
   
31,803,869
  
$
1.51
 
             
Effect of dilutive securities – stock options, restricted stock, and performance shares
      
399,617
     
             
Diluted EPS – Net earnings and weighted average common shares outstanding and effect of stock options, restricted stock, and performance shares
 
$
48,096
   
32,203,486
  
$
1.49
 

 
 
Nine months ended September 30, 2016
 
Net
Earnings
(Numerator)
  
Number of
Shares
(Denominator)
  
Per Share
Amount
 
Basic EPS – Net earnings and weighted average common shares outstanding
 
$
40,048
   
31,483,053
  
$
1.27
 
             
Effect of dilutive securities – stock options, restricted stock, and performance shares
      
404,209
     
             
Diluted EPS – Net earnings and weighted average common shares outstanding and effect of stock options, restricted stock, and performance shares
 
$
40,048
   
31,887,262
  
$
1.26