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Business Combinations (Tables)
 6 Months Ended
Jun. 30, 2012
Business Combinations [Abstract]  
Business Acquisition, Pro Forma Information

 
Six Months Ending June 30, 2012
 
Six Months Ending June 30, 2011
 
As Reported
Pro Forma
 
As Reported
Pro Forma
 
(unaudited)
 
(unaudited)
 
(In thousands, except per share data)
Revenue
$
91,543

$
98,216

 
$
82,317

$
92,399

Net Income
$
33,752

$
32,820

 
$
37,512

$
38,582

Basic EPS
$
0.92

$
0.89

 
$
0.97

$
0.97

Diluted EPS
$
0.86

$
0.83

 
$
0.90

$
0.90