Share-Based Compensation Level 3 (Tables)
9 Months Ended
Sep. 30, 2011
Share-based Compensation [Abstract] 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The fair values of our stock options are calculated using the following weighted average assumptions for the nine months ended September 30, 2011:
 
 
Nine Months Ended
Assumptions
 
September 30, 2011
Dividend yield
 
2.4
%
Expected volatility
 
38.4
%
Risk-free interest rate
 
2.4
%
Expected holding period (in years)
 
5.0

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table sets forth stock option activity for the nine months ended September 30, 2011:
 
Options
 
Weighted-Average
Exercise Price
Outstanding at December 31, 2010
12,312,783

 
$
7.53

Granted
2,394,430

 
9.09

Exercised
(1,136,808
)
 
6.77

Canceled
(94,857
)
 
5.32

Outstanding at September 30, 2011
13,475,548

 
$
7.88

Exercisable at September 30, 2011
8,288,301

 
$
8.16

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Restricted share activity for the nine months ended September 30, 2011 was as follows:
 
Restricted
shares
 
Weighted-Average
Grant-Date
Fair Value
Nonvested restricted shares at December 31, 2010
1,167,273

 
$
6.35

Granted
538,620

 
9.13

Vested
(540,723
)
 
6.58

Nonvested restricted shares at September 30, 2011
1,165,170

 
$
7.53