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Share-Based Compensation Level 3 (Tables)
6 Months Ended
Jun. 30, 2012
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 six months ended June 30, 2012:
 
 
Six Months Ended
Assumptions
 
June 30, 2012
Dividend yield
 
1.8
%
Expected volatility
 
40.8
%
Risk-free interest rate
 
0.8
%
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 six months ended June 30, 2012:
 
Options
 
Weighted-Average
Exercise Price
Outstanding at December 31, 2011
13,404,216

 
$
7.88

Granted
2,035,400

 
11.17

Exercised
(634,968
)
 
5.97

Outstanding at June 30, 2012
14,804,648

 
$
8.42

Exercisable at June 30, 2012
10,433,476

 
$
7.83

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
Restricted share activity for the six months ended June 30, 2012 was as follows:
 
Restricted
shares
 
Weighted-Average
Grant-Date
Fair Value
Nonvested restricted shares at December 31, 2011
1,165,170

 
$
7.53

Granted
483,170

 
11.18

Vested
(520,161
)
 
6.05

Nonvested restricted shares at June 30, 2012
1,128,179

 
$
9.78