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Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The calculation of basic and diluted earnings per common share follows (in thousands, except per share amounts):
 
Three Months Ending
 
Nine Months Ending
 
September 30,
 
September 30,
 
2014
 
2013
 
2014
 
2013
Earnings from continuing operations
$
9,595

 
$
7,799

 
$
25,415

 
$
23,215

Weighted-average shares outstanding for basic earnings per share
64,286

 
64,052

 
64,240

 
63,972

Common equivalent shares:
 
 
 
 
 
 
 
Effect of stock-based compensation awards
985

 
984

 
967

 
835

Weighted-average shares outstanding assuming dilution
65,271

 
65,036

 
65,207

 
64,807

Basic earnings per share from continuing operations
$
0.15

 
$
0.12

 
$
0.40

 
$
0.36

Diluted earnings per share from continuing operations
$
0.15

 
$
0.12

 
$
0.39

 
$
0.36