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Earnings Per Share
 12 Months Ended
Dec. 31, 2015
Earnings Per Share [Abstract]  
Earnings Per Share

(10)

EARNINGS PER SHARE

Basic earnings and diluted earnings per share data were computed as follows:

 

 

 

Years Ended December 31,

 

 

 

2015

 

 

2014

 

 

2013

 

Numerator for basic and diluted earnings per share:

 

 

 

 

 

 

 

 

 

 

 

 

Net income

 

$

64,869

 

 

$

58,940

 

 

$

39,101

 

Denominator:

 

 

 

 

 

 

 

 

 

 

 

 

Weighted-average basic common shares outstanding

 

 

34,137

 

 

 

33,011

 

 

 

31,891

 

Assumed conversion of dilutive securities:

 

 

 

 

 

 

 

 

 

 

 

 

Stock options

 

 

2,415

 

 

 

2,390

 

 

 

2,699

 

Denominator for diluted earnings per share

   - Adjusted weighted-average shares

 

 

36,552

 

 

 

35,401

 

 

 

34,590

 

Earnings per common share:

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

1.90

 

 

$

1.79

 

 

$

1.23

 

Diluted

 

$

1.77

 

 

$

1.66

 

 

$

1.13

 

Stock options representing the right to purchase common stock of 417,000 shares in 2015, 481,000 shares in 2014, and 62,000 shares in 2013 were not included in the computation of diluted earnings per share because their inclusion would have had an anti-dilutive effect.