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Net Income (Loss) Per Share
 6 Months Ended
Jun. 30, 2016
Earnings Per Share [Abstract]  
Net Income (Loss) Per Share
Net Income (Loss) Per Share
Basic net income (loss) per share is computed by dividing net income for the period by the weighted-average number of shares outstanding during the period. Diluted net income per share is computed by dividing net income for the period by the weighted-average number of shares, less shares repurchased, plus, if dilutive, potential common stock outstanding during the period. Potential common stock includes the effect of outstanding dilutive stock options, restricted stock awards and restricted stock units computed using the treasury stock method. The anti-dilutive weighted-average dilutive shares related to stock award plans are excluded from the computation of the diluted net loss per share because their effect would have been anti-dilutive.
The calculation of basic and diluted net (loss) income per share is as follows:
 
Three months ended June 30,
 
Six months ended June 30,
 
2016
 
2015
 
2016
 
2015
 
(In thousands, except per share data)
Net (loss) income
$
(1,159
)
 
$
8,751

 
$
(1,537
)
 
$
15,069

Weighted-average shares outstanding — basic
35,987

 
36,120

 
35,864

 
36,072

Effect of dilutive securities from stock award plans
—

 
910

 
—

 
915

Weighted-average shares outstanding — diluted
$
35,987

 
$
37,030

 
35,864

 
36,987

Net (loss) income per share — basic
$
(0.03
)
 
$
0.24

 
$
(0.04
)
 
$
0.42

Net (loss) income per share — diluted
$
(0.03
)
 
$
0.24

 
$
(0.04
)
 
$
0.41

Anti-dilutive weighted-average shares related to stock award plans
1,961

 
377

 
2,037

 
356