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Earnings Per Share
3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings Per Share

The following table details the reconciliation of basic earnings per share to diluted earnings per share:
 
 
Three Months Ended March 31,
 
 
2018
 
2017
 
 
 
 
As Adjusted
Numerator for basic and diluted earnings per share:
 
 
 
 
Net income
 
$
37,825

 
$
32,769

Denominator:
 
 

 
 

Weighted-average basic common shares outstanding
 
38,002

 
36,845

Assumed conversion of dilutive securities:
 
 
 
 
Stock options
 
1,834

 
2,087

Denominator for diluted earnings per share
   - Adjusted weighted-average shares
 
39,836

 
38,932

Earnings per common share:
 
 

 
 

Basic
 
$
1.00

 
$
0.89

Diluted
 
$
0.95

 
$
0.84


 
For the three months ended March 31, 2018, and 2017, stock options representing the right to purchase common stock of approximately 1,111,000 and 1,160,000 shares were not included in the computation of diluted earnings per share because their inclusion would have had an anti-dilutive effect.