Net Income (Loss) Per Share (Tables)
 3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Reconciliation of Numerator and Denominator of Basic and Diluted Net Income (Loss) Per Share

The following table sets forth the computation of basic and diluted net income (loss) per share (in thousands, except for per-share amounts):

 

 

Three Months Ended

 

 

March 31,

2015

 

 

March 31,

2014

 

Numerator

 

 

 

 

 

 

 

Net income (loss)

$

21,198

 

 

$

(3,991

)

 

 

 

 

 

 

 

 

Denominator

 

 

 

 

 

 

 

Weighted average shares outstanding, basic

 

134,777

 

 

 

136,795

 

Effect of dilutive potential common shares

 

4,456

 

 

 

—

 

Weighted average shares outstanding, diluted

 

139,233

 

 

 

136,795

 

 

 

 

 

 

 

 

 

Basic net income (loss) per share

$

0.16

 

 

$

(0.03

)

 

 

 

 

 

 

 

 

Diluted net income (loss) per share

$

0.15

 

 

$

(0.03

)

 

 

 

 

 

 

 

 

Antidilutive employee stock-based awards, excluded

 

3,870

 

 

 

5,855