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Earnings Per Share Earnings Per Share Tables (Tables)
9 Months Ended
Sep. 30, 2013
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares
Weighted average shares-basic and diluted for the three and nine months ended September 30, 2013 and 2012 are as follows (in thousands):
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2013
 
2012
 
2013
 
2012
Weighted average shares — basic
163,426

 
104,193

 
128,953

 
104,120

Dilutive potential common shares — stock options
177

 
10

 
168

 
5

Weighted average shares — diluted
163,603

 
104,203

 
129,121

 
104,125

Weighted average anti-dilutive stock options
2,784

 
4,795

 
2,908

 
4,799