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Earnings (Loss) Per Share (Tables)
6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Schedule of Weighted-Average Number of Shares Outstanding
The following is a calculation of the basic and diluted weighted-average shares outstanding for the three and six months ended June 30, 2015 and 2014: 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2015
 
2014
 
2015
 
2014
 
(In thousands)
Basic weighted average common shares outstanding
136,859

 
99,663

 
123,157

 
99,612

Dilution effect of stock awards at end of period(1)

 
597

 

 
716

Diluted weighted average common shares outstanding
136,859

 
100,260

 
123,157

 
100,328

Anti-dilutive stock-based compensation awards
2,993

 
1,115

 
3,012

 
909


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(1)
No unvested stock awards were included in computing loss per share for the three and six months ended June 30, 2015 because the effect was anti-dilutive.