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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2014
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, 2014 and 2013: 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2014
 
2013
 
2014
 
2013
 
(In thousands)
Basic weighted average common shares outstanding
99,715

 
92,449

 
99,647

 
92,408

Dilution effect of stock awards at end of period
591

 
387

 
709

 
430

Diluted weighted average common shares outstanding
100,306

 
92,836

 
100,356

 
92,838

Anti-dilutive stock-based compensation awards
1,067

 
789

 
927

 
719