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Long-Term Compensation (Tables)
12 Months Ended
Dec. 31, 2012
Stock Option and Other Share Based Activity

The activity for the year ended December 31, 2012, with respect to our stock options is presented below:

 

     Options Outstanding      Options Exercisable  
     Number of Options     Weighted
Average
Exercise Price
     Number of
Options
     Weighted
Average Exercise
Price
     Weighted
Average Life
(in years)
 

Balance at January 1, 2012

     9,879,960     $ 34.93           

Exercised

     (2,060,994     24.12           

Forfeited/Expired

     (305,749     56.46           
  

 

 

   

 

 

          

Balance at December 31, 2012

     7,513,217     $ 37.02        6,957,148      $ 37.76        4.7  
  

 

 

   

 

 

    

 

 

    

 

 

    

 

 

 
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions

We used the following assumptions:

 

Expected volatility

   25-55%

Weighted average volatility

   44.6%

Expected dividends

   3.73%

Expected term (in years)

   1-6

Risk-free rate

   0.19-1.92%
  

 

RSU and PSA [Member]
 
Stock Option and Other Share Based Activity

The activity for the year ended December 31, 2012 with respect to our RSU and PSA awards was as follows:

 

     Number of
Shares
    Weighted  Average
Grant-Date Fair Value
    Number  of
Shares Vested
 
      

Balance at January 1, 2012

     1,684,713     $ 30.43       48,735  
      

 

 

 

Granted

     1,609,527       32.60    

Vested

     (1,238,036     30.26    

Forfeited

     (56,856     31.60    
  

 

 

   

 

 

   

Balance at December 31, 2012

     1,999,348     $ 32.28       47,680  
  

 

 

   

 

 

   

 

 

 
Restricted Stock [Member]
 
Non-Vested Share Options

The activity for the year ended December 31, 2012, with respect to our unvested restricted stock was as follows:

 

     Number of
Shares
    Weighted  Average
Grant-Date Fair Value
 
    

Balance at January 1, 2012

     1,192,982     $ 34.07  

Granted

     5,000       29.24  

Vested

     (507,840     34.07  

Forfeited

     (2,865     34.07  
  

 

 

   

 

 

 

Balance at December 31, 2012

     687,277     $ 34.03