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Net Income (Loss) Per Share (Tables)
6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]  
Computation of Net Income (Loss) Per Share
The following table sets forth the computation of Net Income (Loss) Per Share for the three-month and six-month periods ended June 30, 2017 and 2016 (in thousands, except per share data):
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
2017
 
2016
 
2017
 
2016
Numerator for Basic and Diluted Earnings Per Share -
 
 
 
 
 
 
 
Net Income (Loss)
$
23,053

 
$
(292,558
)
 
$
51,570

 
$
(764,334
)
Denominator for Basic Earnings Per Share -
 

 
 

 
 

 
 

Weighted Average Shares
574,439

 
547,335

 
574,162

 
547,029

Potential Dilutive Common Shares -
 

 
 

 
 

 
 

Stock Options/SARs
1,452

 

 
1,669

 

Restricted Stock/Units and Performance Units/Stock
2,592

 

 
2,742

 

Denominator for Diluted Earnings Per Share -
 

 
 

 
 

 
 

Adjusted Diluted Weighted Average Shares
578,483

 
547,335

 
578,573

 
547,029

Net Income (Loss) Per Share
 

 
 

 
 

 
 

Basic
$
0.04

 
$
(0.53
)
 
$
0.09

 
$
(1.40
)
Diluted
$
0.04

 
$
(0.53
)
 
$
0.09

 
$
(1.40
)