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Earnings (Loss) Per Share
 12 Months Ended
Dec. 31, 2011
Earnings Per Share [Abstract]  
Earnings (Loss) Per Share
Earnings (Loss) Per Share
Basic earnings (loss) per share is computed by dividing net income (loss) available to common stockholders by the weighted-average number of common shares outstanding. Diluted earnings (loss) per share is computed by dividing net income (loss) available to common stockholders by the weighted-average number of common shares plus the effect of dilutive potential common shares outstanding during the period. There were no adjustments to the 2010 and 2009 weighted-average number of common shares reflected in the diluted losses per share in the table below due to the losses for the years ended December 31, 2010 and 2009. The diluted earnings (losses) per share for the years ended December 31, 2011, 2010 and 2009 exclude the impact of approximately 2.2 million, 10.9 million and 11.8 million common stock equivalents, respectively, since the effect of including these securities would be anti-dilutive. The following table sets forth the computation of basic and diluted loss per share (shares in thousands):
 
 
Year Ended December 31, 
 
2011
 
2010
 
2009
Numerator:
 
 
 
 
 
Income (loss) from continuing operations
$
101

 
$
(22
)
 
$
(60
)
Convertible debt interest—1 7/8 percent notes
—

 
—

 
—

Income (loss) from continuing operations available to common stockholders
101

 
(22
)
 
(60
)
Loss from discontinued operation
—

 
(4
)
 
(2
)
Net income (loss) available to common stockholders
$
101

 
$
(26
)
 
$
(62
)
Denominator:
 
 
 
 
 
Denominator for basic earnings (loss) per share—weighted-average common shares
62,184

 
60,455

 
60,100

Effect of dilutive securities:
 
 
 
 
 
Employee stock options and warrants
1,037

 
—

 
—

Convertible subordinated notes—1  7/8 percent
1,015

 
—

 
—

Convertible subordinated notes—4 percent
8,532

 
—

 
—

Restricted stock units
581

 
—

 
—

Denominator for diluted earnings (loss) per share—adjusted weighted-average common shares
73,349

 
60,455

 
60,100

Basic earnings (loss) per share:
 
 
 
 
 
Income (loss) from continuing operations
$
1.62

 
$
(0.38
)
 
$
(0.98
)
Loss from discontinued operation
—

 
(0.06
)
 
(0.04
)
Net income (loss)
$
1.62

 
$
(0.44
)
 
$
(1.02
)
Diluted earnings (loss) per share:
 
 
 
 
 
Income (loss) from continuing operations
$
1.38

 
$
(0.38
)
 
$
(0.98
)
Loss from discontinued operation
—

 
(0.06
)
 
(0.04
)
Net income (loss)
$
1.38

 
$
(0.44
)
 
$
(1.02
)