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Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
Computation of Basic Earnings and Diluted Earnings Per Share Data

The following table details the reconciliation of basic earnings per share to diluted earnings per share:

 

 

 

Three months ended March 31,

 

 

 

 

2016

 

 

2015

 

 

Numerator for basic and diluted earnings per share:

 

 

 

 

 

 

 

 

 

Net income

 

$

17,079

 

 

$

17,273

 

 

Denominator:

 

 

 

 

 

 

 

 

 

Weighted-average basic common shares outstanding

 

 

36,549

 

 

 

33,562

 

 

Assumed conversion of dilutive securities:

 

 

 

 

 

 

 

 

 

Stock options

 

 

2,008

 

 

 

2,333

 

 

Denominator for diluted earnings per share

   - Adjusted weighted-average shares

 

 

38,557

 

 

 

35,895

 

 

Earnings per common share:

 

 

 

 

 

 

 

 

 

Basic

 

$

0.47

 

 

$

0.51

 

 

Diluted

 

$

0.44

 

 

$

0.48