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Earnings Per Share
6 Months Ended
Jun. 30, 2012
Earnings Per Share [Abstract]  
Earnings Per Share
EARNINGS PER SHARE
A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings per weighted average common share (EPS) calculation for the three and six months ended June 30 was as follows (in thousands):
 
Three Months
 
Six Months
 
2012
 
2011
 
2012
 
2011
Weighted average common shares outstanding:
 
 
 
 
 
 
 
Basic EPS calculation
110,756

 
110,624

 
110,736

 
110,596

Effect of dilutive share-based awards
13

 
53

 
19

 
58

Diluted EPS calculation
110,769

 
110,677

 
110,755

 
110,654



For the three and six months ended June 30, 2012 and 2011, there were no potentially dilutive securities excluded from the calculation of diluted EPS.