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Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Calculation of Basic and Diluted Weighted Average Shares Outstanding Earnings Per Share
The following table sets forth the calculation of basic and diluted weighted average shares outstanding and earnings per share for the indicated periods:
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
2015
 
2014
 
2015
 
2014
 
(In thousands, except per share data)
Income (numerator):
 
 
 
 
 
 
 
Basic:
 
 
 
 
 
 
 
Net income (loss)
$
(291,965
)
 
$
(29,415
)
 
$
(772,259
)
 
$
972

Net income attributable to participating securities
—

 
—

 
—

 
(22
)
Net income (loss) attributable to common stock - basic
$
(291,965
)
 
$
(29,415
)
 
$
(772,259
)
 
$
950

Diluted:
 
 
 
 
 
 
 
Net income (loss)
$
(291,965
)
 
$
(29,415
)
 
$
(772,259
)
 
$
972

Net income attributable to participating securities
—

 
—

 
—

 
(22
)
Net income (loss) attributable to common stock - diluted
$
(291,965
)
 
$
(29,415
)
 
$
(772,259
)
 
$
950

Weighted average shares (denominator):
 
 
 
 
 
 
 
Weighted average shares - basic
55,282

 
54,866

 
55,238

 
51,998

Dilutive effect of stock options
—

 
—

 
—

 
53

Dilutive effect of convertible notes
—

 
—

 
—

 
88

Weighted average shares - diluted
55,282

 
54,866

 
55,238

 
52,139

Basic earnings (loss) per share
$
(5.28
)
 
$
(0.54
)
 
$
(13.98
)
 
$
0.02

Diluted earnings (loss) per share
$
(5.28
)
 
$
(0.54
)
 
$
(13.98
)
 
$
0.02