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Earnings Per Share (Tables)
 6 Months Ended
Jun. 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
 
Six Months Ending
 
June 30,
 
June 30,
 
2014
 
2013
 
2014
 
2013
Earnings from continuing operations
$
9,298

 
$
6,915

 
$
15,820

 
$
15,416

Weighted-average shares outstanding for basic earnings per share
64,285

 
64,050

 
64,217

 
63,931

Common equivalent shares:
 
 
 
 
 
 
 
Effect of stock-based compensation awards
922

 
809

 
957

 
761

Weighted-average shares outstanding assuming dilution
65,207

 
64,859

 
65,174

 
64,692

Basic earnings per share from continuing operations
$
0.14

 
$
0.11

 
$
0.25

 
$
0.24

Diluted earnings per share from continuing operations
$
0.14

 
$
0.11

 
$
0.24

 
$
0.24