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Earnings (Loss) Per Share
 12 Months Ended
Dec. 31, 2012
Earnings (Loss) Per Share [Abstract]  
Earnings (Loss) Per Share
16.           Earnings (Loss) Per Share

The following is a reconciliation of the numerator and denominator of basic and diluted earnings (loss) per share for the years ended December 31, 2012, 2011, and 2010:

(In thousands except per share data)
 
Year Ended December 31,
Numerator:
 
2012
 
 
2011
 
 
2010
 
Net income (loss)
 
$
8,024
 
 
$
(157,693
)
 
$
47,330
 
 
 
 
 
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
 
 
 
 
 
Shares used for basic earnings (loss) per share
 
 
33,597
 
 
 
33,677
 
 
 
34,129
 
Effect of dilutive stock options and restricted stock units outstanding:
 
 
 
 
 
 
 
 
 
 
 
 
Non-qualified stock options (1)
 
 
37
 
 
 
—
 
 
 
384
 
Restricted stock units (1)
 
 
202
 
 
 
—
 
 
 
389
 
Shares used for diluted earnings (loss) per share (1)
 
 
33,836
 
 
 
33,677
 
 
 
34,902
 
 
 
 
 
 
 
 
 
 
 
 
 
Earnings per share:
 
 
 
 
 
 
 
 
 
 
 
 
Basic
 
$
0.24
 
 
$
(4.68
)
 
$
1.39
 
Diluted (1)
 
$
0.24
 
 
$
(4.68
)
 
$
1.36
 
 
 
 
 
 
 
 
 
 
 
 
 
Dilutive securities outstanding not included in the computation of earnings per share because their effect is anti-dilutive:
 
 
 
 
 
 
 
 
 
 
 
 
Non-qualified stock options
 
 
4,926
 
 
 
4,845
 
 
 
3,863
 
Restricted stock units
 
 
193
 
 
 
469
 
 
 
81
 
 
(1)
The assumed exercise of stock-based compensation awards for the year ended December 31, 2011 was not considered because the impact would be anti-dilutive.