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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
Computation Of Basic Earnings And Diluted Earnings Per Share Data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three months ended

 

Six months ended

 

 

June 30,

 

June 30,

 

 

2013

 

2012

 

2013

 

2012

Numerator for basic and diluted earnings per share:

 

 

 

 

 

 

 

 

 

 

 

 

Net income

 

$
9,047 

 

$
7,105 

 

$
17,540 

 

$
12,786 

 

 

 

 

 

 

 

 

 

 

 

 

 

Denominator:

 

 

 

 

 

 

 

 

 

 

 

 

Weighted-average basic common shares outstanding

 

 
31,617 

 

 
30,171 

 

 
31,670 

 

 
30,175 

Assumed conversion of dilutive securities:

 

 

 

 

 

 

 

 

 

 

 

 

Stock options

 

 
2,673 

 

 
2,598 

 

 
2,609 

 

 
2,557 

Denominator for diluted earnings per share - Adjusted weighted-average shares

 

 
34,290 

 

 
32,769 

 

 
34,279 

 

 
32,732 

 

 

 

 

 

 

 

 

 

 

 

 

 

Earnings per common share:

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$
0.29 

 

$
0.24 

 

$
0.55 

 

$
0.42 

Diluted

 

$
0.26 

 

$
0.22 

 

$
0.51 

 

$
0.39