Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION, Restricted Stock and Stock Units (Details)

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STOCK-BASED COMPENSATION, Restricted Stock and Stock Units (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Restricted Stock [Member]
      
Restricted stock and restricted stock units [Abstract]      
Restricted transferability, minimum (in years) 1Y    
Restricted transferability, maximum (in years) 5Y    
Granted (in shares) 1,220,000,000 3,191,000 163,000
Summary of restricted stock and RSUs [Roll Forward]      
Unvested at beginning of period (in shares) 3,025,000 692,000 994,000
Granted (in shares) 1,220,000,000 3,191,000 163,000
Merger conversion (in shares)   0  
Forfeited (in shares) (35,000) (71,000) (14,000)
Vested (in shares) (885,000) (787,000) (451,000)
Unvested at end of period (in shares) 3,325,000 3,025,000 692,000
Summary of restricted stock awards and RSUs, additional disclosures [Abstract]      
Price, Unvested at beginning of period (in dollars per share) $ 11.76 $ 12.08 $ 15.76
Price, Granted (in dollars per share) $ 9.97 $ 11.74 $ 2.54
Price, Merger conversion (in dollars per share)   $ 0  
Price, Forfeited (in dollars per share) $ 11.19 $ 10.76 $ 18.29
Price, Vested (in dollars per share) $ 11.68 $ 11.93 $ 16.56
Price, Unvested at end of period (in dolllars per share) $ 10.98 $ 11.76 $ 12.08
Restricted Stock Regular Vesting [Member]
      
Restricted stock and restricted stock units [Abstract]      
Granted (in shares) 800,000 2,700,000  
Vesting period (in years) 4Y 4Y  
Summary of restricted stock and RSUs [Roll Forward]      
Granted (in shares) 800,000 2,700,000  
Restricted Stock Market-Based or Performance-Based Awards [Member]
      
Summary of restricted stock and RSUs [Roll Forward]      
Unvested at end of period (in shares) 599,400    
Restricted Stock Performance-Based Awards [Member]
      
Restricted stock and restricted stock units [Abstract]      
Vesting rights vest within two years if the performance criteria are met vest within two years if the performance criteria are met  
Restricted Stock Market-Based Awards [Member]
      
Restricted stock and restricted stock units [Abstract]      
Vesting rights vest over four years if a specified stock price is achieved over a specified number of consecutive days during the four years vest if a specified stock price is achieved over a specified number of consecutive days  
RSUs [Member]
      
Restricted stock and restricted stock units [Abstract]      
Granted (in shares) 0 586,000 0
Summary of restricted stock and RSUs [Roll Forward]      
Unvested at beginning of period (in shares) 1,006,000 0 0
Granted (in shares) 0 586,000 0
Merger conversion (in shares)   1,026,000  
Forfeited (in shares) (66,000) (147,000) 0
Vested (in shares) (237,000) (459,000) 0
Unvested at end of period (in shares) 703,000 1,006,000 0
Summary of restricted stock awards and RSUs, additional disclosures [Abstract]      
Price, Unvested at beginning of period (in dollars per share) $ 10.16 $ 0 $ 0
Price, Granted (in dollars per share) $ 0 $ 9.94 $ 0
Price, Merger conversion (in dollars per share)   $ 10.51  
Price, Forfeited (in dollars per share) $ 10.51 $ 10.51 $ 0
Price, Vested (in dollars per share) $ 10.51 $ 10.51 $ 0
Price, Unvested at end of period (in dolllars per share) $ 10.03 $ 10.16 $ 0
Restricted Stock and RSUs [Member]
      
Summary of restricted stock awards and RSUs, additional disclosures [Abstract]      
Total fair market value of the shares issued upon vesting $ 12.0 $ 14.0 $ 2.6
Restricted Stock and RSUs Market-Based or Performance-Based Awards [Member]
      
Restricted stock and restricted stock units [Abstract]      
Granted (in shares) 400,000 500,000  
Summary of restricted stock and RSUs [Roll Forward]      
Granted (in shares) 400,000 500,000  
RSUs Market-Based or Performance-Based Awards [Member]
      
Summary of restricted stock and RSUs [Roll Forward]      
Unvested at end of period (in shares) 372,854