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Earnings per Share
 12 Months Ended
Dec. 31, 2016
Earnings Per Share [Abstract]  
Earnings per Share
Earnings per Share

The following table sets forth the computation of basic and diluted earnings per share:
 
 
Years ended December 31:
 
 
2014
 
2015
 
2016
 
 
(In thousands, except per share data)
Numerator:
 
 
 
 
 
 
Net income (loss) from continuing operations
 
$
61,951

 
$
(127,090
)
 
$
(96,378
)
Net income (loss) from discontinued operations
 
1,318

 
(20
)
 
—

 
 
$
63,269

 
$
(127,110
)
 
$
(96,378
)
Denominator:
 
 

 
 

 
 

Denominator for basic earnings per share – weighted-average common shares outstanding
 
98,835

 
104,605

 
122,132

Effect of dilutive securities:
Stock options and restricted shares
 
2,633

 
—

 
—

Denominator for diluted earnings per share – adjusted weighted-average shares and assumed exercise of options and restricted shares
 
101,468

 
104,605

 
122,132

 
 
 
 
 
 
 
Net income (loss) per common share - basic
 
 
 
 
 
 
Continuing operations
 
$
0.63

 
$
(1.21
)
 
$
(0.79
)
Discontinued operations
 
0.01

 
—

 
—

 
 
$
0.64

 
$
(1.21
)
 
$
(0.79
)
 
 
 
 
 
 
 
Net income (loss) per common share - diluted
 
 
 
 
 
 
Continuing operations
 
$
0.61

 
$
(1.21
)
 
$
(0.79
)
Discontinued operations
 
0.01

 
—

 
—

 
 
$
0.62

 
$
(1.21
)
 
$
(0.79
)

 
Basic earnings per share, excluding any dilutive effects of stock options and unvested restricted stock, is computed by dividing net income (loss) available to common stockholders by the weighted average number of common shares outstanding for the period. Diluted income (loss) per share is computed similar to basic; however diluted income (loss) per share reflects the assumed conversion of all potentially dilutive securities. For the year ended December 31, 2015 and 2016, 624 and 1,635, respectively, of potential shares relating to stock options and unvested restricted shares were excluded from the calculation of diluted income (loss) per share since their inclusion would have been anti-dilutive due to the loss incurred in the period. None of the dilutive shares were excluded for the year ended December 31, 2014.