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Earnings (Loss) per Share (Tables)
6 Months Ended
Jun. 30, 2015
Earnings (Loss) per Share [Abstract]  
Schedule of Weighted Average Number of Shares [Table Text Block]
Reconciliations of the amounts used in the basic and diluted earnings per common share computations for the three and six months ended June 30, 2015 and 2014, are as follows (shares in thousands):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2015
 
2014
 
2015
 
2014
Diluted weighted average shares calculation:
 
 
 
 
 
 
 
Weighted average shares outstanding (basic)
366,975

 
416,507

 
369,938

 
418,296

Share-based awards
2,971

 
4,841

 
3,466

 
4,401

Weighted average shares outstanding (diluted)
369,946

 
421,348

 
373,404

 
422,697

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
We excluded the following items from diluted earnings per common share for the three and six months ended June 30, 2015 and 2014, because they were anti-dilutive (shares in thousands):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2015
 
2014
 
2015
 
2014
Share-based awards
5,042

 
2,854

 
5,042

 
5,066