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Earnings (Loss) Per Share (Tables)
 3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Computation of basic and diluted loss per share
The following table sets forth the computation of basic and diluted net income (loss) per share:
 
Three Months Ended March 31,
 
2018
 
2017
Net income (loss) per share:
(In thousands, except per share amounts)
Numerator:
 

 
 

Net income (loss)
$
(35,689
)
 
$
3,006

Denominator:
 
 
 
Weighted-average shares outstanding - basic
109,358

 
111,464

Effect of potential dilutive common shares
—

 
3,861

Weighted-average shares outstanding - diluted
109,358

 
115,325

Basic net income (loss) per share
$
(0.33
)
 
$
0.03

Diluted net income (loss) per share
$
(0.33
)
 
$
0.03