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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three months ended

 

Nine months ended

 

 

September 30,

 

September 30,

 

 

2013

 

2012

 

2013

 

2012

Numerator for basic and diluted earnings per share:

 

 

 

 

 

 

 

 

 

 

 

 

Net income

 

$
11,049 

 

$
10,832 

 

$
28,589 

 

$
23,618 

 

 

 

 

 

 

 

 

 

 

 

 

 

Denominator:

 

 

 

 

 

 

 

 

 

 

 

 

Weighted-average basic common shares outstanding

 

 
32,037 

 

 
30,387 

 

 
31,825 

 

 
30,267 

Assumed conversion of dilutive securities:

 

 

 

 

 

 

 

 

 

 

 

 

Stock options

 

 
2,727 

 

 
2,599 

 

 
2,649 

 

 
2,571 

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

 

 
34,764 

 

 
32,986 

 

 
34,474 

 

 
32,838 

 

 

 

 

 

 

 

 

 

 

 

 

 

Earnings per common share:

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$
0.34 

 

$
0.36 

 

$
0.90 

 

$
0.78 

Diluted

 

$
0.32 

 

$
0.33 

 

$
0.83 

 

$
0.72