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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Computation Of Basic Earnings And Diluted Earnings Per Share Data

 

 

 

 

 

 

 

 

 

 

 

 

Years Ended December 31,

 

 

2012

 

2011

 

2010

Numerator for basic and diluted earnings per share:

 

 

 

 

 

 

 

 

 

Net income

 

$
32,994 

 

$
27,557 

 

$
25,054 

 

 

 

 

 

 

 

 

 

 

Denominator:

 

 

 

 

 

 

 

 

 

Weighted-average basic common shares outstanding

 

 
30,327 

 

 
31,267 

 

 
34,075 

Assumed conversion of dilutive securities:

 

 

 

 

 

 

 

 

 

Stock options

 

 
2,589 

 

 
1,887 

 

 
1,453 

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

 

 
32,916 

 

 
33,154 

 

 
35,528 

 

 

 

 

 

 

 

 

 

 

Earnings per common share:

 

 

 

 

 

 

 

 

 

Basic

 

$
1.09 

 

$
0.88 

 

$
0.74 

Diluted

 

$
1.00 

 

$
0.83 

 

$
0.71