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Earnings (Loss) Per Share (Tables)
9 Months Ended
Sep. 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 nine months ended September 30, 2015 and 2014: 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2015
 
2014
 
2015
 
2014
 
(In thousands)
Basic weighted average common shares outstanding
137,014

 
99,715

 
127,827

 
99,647

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

 
591

 

 
709

Diluted weighted average common shares outstanding
137,014

 
100,306

 
127,827

 
100,356

Anti-dilutive stock-based compensation awards
2,787

 
1,067

 
2,939

 
927


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