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Net Income per Share (Tables)
 9 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Earnings Attributable to Common Shareholders and Weighted Average Common Shares Outstanding
The computations of basic and diluted earnings per share are as follows:
 
Third Quarter
 
First Nine Months
 
2015
 
2014
 
2015
 
2014
 
(In thousands)
Numerator:
 
 
 
 
 
 
 
Consolidated net income (loss)
$
(164,331
)
 
$
5,239

 
$
(206,886
)
 
$
28,994

Less: Net (income) loss attributable to noncontrolling interest
115

 
(12
)
 
5

 
(611
)
Earnings (loss) available for diluted earnings per share
$
(164,216
)
 
$
5,227

 
$
(206,881
)
 
$
28,383

Less: Undistributed net income allocated to participating securities
—

 
(947
)
 
—

 
(5,151
)
Earnings (loss) available to common shareholders for basic earnings per share
$
(164,216
)
 
$
4,280

 
$
(206,881
)
 
$
23,232

 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
Weighted average common shares outstanding — basic
34,299

 
35,498

 
34,248

 
35,437

Weighted average common shares upon conversion of participating securities (a)
—

 
7,857

 
—

 
7,857

Dilutive effect of stock options, restricted stock and equity-settled awards
—

 
513

 
—

 
456

Total weighted average shares outstanding — diluted
34,299

 
43,868

 
34,248

 
43,750

Anti-dilutive awards excluded from diluted weighted average shares
10,933

 
1,959

 
10,835

 
2,171


___________________
(a) 
Our earnings per share calculation reflects the weighted average shares issuable upon settlement of the prepaid stock purchase contract component of our 6.00% tangible equity units, issued November 27, 2013.