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Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table sets forth the computation of basic and diluted earnings per share (shares in thousands):
 
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2012
 
2011
 
2012
 
2011
Numerator:
 
 
 
 
 
 
 
Income from continuing operations
$
73

 
$
65

 
$
34

 
$
73

Convertible debt interest—1 7/8 percent notes
—

 
—

 
—

 
—

Subordinated convertible debt interest
1

 
1

 
—

 
—

Income from continuing operations available to common stockholders
74

 
66

 
34

 
73

Loss from discontinued operation
—

 
—

 
—

 
(1
)
Net income available to common stockholders
$
74

 
$
66

 
$
34

 
$
72

Denominator:
 
 
 
 
 
 
 
Denominator for basic earnings per share—weighted-average common shares
92,539

 
62,640

 
79,681

 
61,996

Effect of dilutive securities:
 
 
 
 
 
 
 
Employee stock options and warrants
707

 
633

 
759

 
1,215

Convertible subordinated notes—1 7/8 percent
208

 
1,015

 
—

 
1,015

Convertible subordinated notes—4 percent
10,031

 
6,379

 
10,543

 
8,578

Subordinated convertible debentures
1,341

 
2,122

 
—

 
—

Restricted stock units
447

 
545

 
517

 
630

Denominator for diluted earnings per share—adjusted weighted-average common shares
105,273

 
73,334

 
91,500

 
73,434

Basic earnings per share:
 
 
 
 
 
 
 
Income from continuing operations
$
0.78

 
$
1.04

 
$
0.42

 
$
1.18

Loss from discontinued operation
—

 
—

 
—

 
(0.01
)
Net income
$
0.78

 
$
1.04

 
$
0.42

 
$
1.17

Diluted earnings per share:
 
 
 
 
 
 
 
Income from continuing operations
$
0.70

 
$
0.91

 
$
0.37

 
$
1.00

Loss from discontinued operation
—

 
—

 
—

 
(0.01
)
Net income
$
0.70

 
$
0.91

 
$
0.37

 
$
0.99