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Net Income (Loss) per Share (Tables)
 9 Months Ended
Sep. 30, 2016
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
 
2016
 
2015
 
2016
 
2015
 
(In thousands)
Numerator:
 
 
 
 
 
 
 
Continuing operations
 
 
 
 
 
 
 
Net income (loss) from continuing operations
$
17,439

 
$
(57,394
)
 
$
33,661

 
$
(60,237
)
Less: Net (income) loss attributable to noncontrolling interest
(610
)
 
115

 
(1,330
)
 
5

Earnings (loss) available for diluted earnings per share
$
16,829

 
$
(57,279
)
 
$
32,331

 
$
(60,232
)
Less: Undistributed net income from continuing operations allocated to participating securities
(3,152
)
 
—

 
(6,035
)
 
—

Earnings (loss) from continuing operations available to common shareholders for basic earnings per share
$
13,677

 
$
(57,279
)
 
$
26,296

 
$
(60,232
)
 
 
 
 
 
 
 
 
Discontinued operations
 
 
 
 
 
 
 
Net income (loss) from discontinued operations available for diluted earnings per share
$
(7,164
)
 
$
(106,937
)
 
$
(17,428
)
 
$
(146,649
)
Less: Undistributed net income from discontinued operations allocated to participating securities
1,342

 
—

 
3,253

 
—

Earnings (loss) from discontinued operations available to common shareholders for basic earnings per share
$
(5,822
)
 
$
(106,937
)
 
$
(14,175
)
 
$
(146,649
)
Denominator:
 
 
 
 
 
 
 
Weighted average common shares outstanding — basic
34,099

 
34,299

 
34,234

 
34,248

Weighted average common shares upon conversion of participating securities
7,857

 
—

 
7,857

 
—

Dilutive effect of stock options, restricted stock and equity-settled awards
304

 
—

 
243

 
—

Total weighted average shares outstanding — diluted
42,260

 
34,299

 
42,334

 
34,248

Anti-dilutive awards excluded from diluted weighted average shares
2,001

 
10,933

 
2,146

 
10,835