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Net Income (Loss) Per Share (Tables)
 12 Months Ended
Dec. 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 per-share amounts):

 

 

 

Year Ended December 31,

 

 

 

2015

 

 

2014

 

 

2013

 

Numerator

 

 

 

 

 

 

 

 

 

 

 

 

Net income (loss) from continuing operations

 

$

69,975

 

 

$

42,059

 

 

$

(18,535

)

Gain from sale of discontinued operations, net of taxes

 

 

—

 

 

 

—

 

 

 

459

 

Net income (loss)

 

$

69,975

 

 

$

42,059

 

 

$

(18,076

)

Denominator

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average shares outstanding, basic

 

 

133,581

 

 

 

136,801

 

 

 

167,272

 

Effect of dilutive potential common shares

 

 

3,813

 

 

 

5,204

 

 

 

—

 

Weighted average shares outstanding, diluted

 

 

137,394

 

 

 

142,005

 

 

 

167,272

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic net income (loss) per share

 

 

 

 

 

 

 

 

 

 

 

 

Net income (loss) per share from continuing operations

 

$

0.52

 

 

$

0.31

 

 

$

(0.11

)

Gain per share from sale of discontinued operations, net

   of taxes

 

 

—

 

 

 

—

 

 

 

—

 

Basic net income (loss) per share

 

$

0.52

 

 

$

0.31

 

 

$

(0.11

)

Diluted net income (loss) per share

 

 

 

 

 

 

 

 

 

 

 

 

Net income (loss) per share from continuing operations

 

$

0.51

 

 

$

0.30

 

 

$

(0.11

)

Gain per share from sale of discontinued operations, net

   of taxes

 

 

—

 

 

 

—

 

 

 

—

 

Diluted net income (loss) per share

 

$

0.51

 

 

$

0.30

 

 

$

(0.11

)

 

 

 

 

 

 

 

 

 

 

 

 

 

Antidilutive employee stock-based awards, excluded

 

 

449

 

 

 

213

 

 

 

5,045