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SHARE-BASED AWARDS (Tables)
12 Months Ended
Dec. 31, 2010
SHARE-BASED AWARDS [Abstract]  
Valuation Assumptions
The weighted average grant-date fair values of the options granted during 2010, 2009, and 2008 were $6.59,  $2.79, and $7.88, respectively, per option, using the range of assumptions provided in the table below:

   
2010
  
2009
  
2008
 
           
Expected volatility
  28.8%  24.8%  19.5%-19.8%
Expected term (in years)
  5.8   5.8   5.8 
Risk-free interest rate
  2.7%  1.9%  3.1%-3.5%
Dividend yield
  3.8%  5.4%  2.6%

Stock Option Activity
The following table summarizes 2010 stock option activity for the Company's plans (in thousands, except exercise price amounts):

               
Weighted
  
Weighted
    
      
1998
  
1998
     
Average
  
Average
  
Aggregate
 
   
2007
  
Employee
  
Director
  
Total
  
Exercise
  
Contractual
  
Intrinsic
 
   
Plan
  
Plan
  
Plan
  
Shares
  
Price
  
Life
  
Value
 
                       
Outstanding January 1, 2010
  958   1,291   196   2,445  $36.80       
Granted
  425   --   --   425  $33.01       
Exercised
  (20)  (225)  (6)  (251) $26.75       
Forfeited and expired
  (31)  (11)  --   (42) $40.38       
Outstanding December 31, 2010
  1,332   1,055   190   2,577  $37.10   5.5  $15,839 
                              
Vested or expected to vest
  1,319   1,055   190   2,564  $37.10   5.5  $15,681 
Exercisable December 31, 2010
  453   1,055   190   1,698  $39.91   4.4  $7,542 


Non-Vested Common Stock and Restricted Stock Unit Activity
The following table summarizes 2010 non-vested common stock and restricted stock unit activity (in thousands, except weighted-average, grant-date fair value amounts):

         
Predecessor
    
   
2007
     
Plans
    
   
Plan
  
Weighted
  
Non-Vested
  
Weighted
 
   
Restricted
  
Average
  
Common
  
Average
 
   
Stock
  
Grant-Date
  
Stock
  
Grant-Date
 
   
Units
  
Fair Value
  
Shares
  
Fair Value
 
January 1, 2010
  427  $27.06   15  $48.19 
Granted
  187  $33.51   --   -- 
Vested
  (93) $32.28   (15) $48.19 
Forfeited
  (191) $23.76   --   -- 
Outstanding December 31, 2010
  330  $31.15   --   -- 

Summary of Compensation Cost and Other Measures Related to Share-Based Payments
A summary of the compensation cost and other measures related to share-based payments is as follows (in millions):

   
2010
   
2009
   
2008
 
Share-based expense (net of estimated forfeitures):
                       
Stock options
 
$
2
   
$
4
   
$
3
 
Non-vested stock & restricted stock units
   
6
     
5
     
8
 
Total share-based expense
   
8
     
9
     
11
 
Total recognized tax benefit
   
(3
)
   
(3
)
   
(3
)
Share-based expense (net of tax)
 
$
5
   
$
6
   
$
8
 
                         
Cash received upon option exercise
 
$
7
   
$
--
   
$
2
 
Intrinsic value of options exercised
 
$
2
   
$
--
   
$
1
 
Tax benefit realized upon option  exercise
 
$
1
   
$
--
   
$
1
 
Fair value of stock vested
 
$
4
   
$
3
   
$
13