v2.4.0.6
Employee Benefit Plans (Schedule Of Nonvested Stock Options and Activity) (Details) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Outstanding 8,353,000    
Granted 0    
Outstanding 7,817,000 8,353,000  
Weighted average fair value of options granted   $ 6.49 $ 3.42
Nonvested [Member]
     
Outstanding 2,825,000    
Granted 0    
Vested (1,361,000)    
Forfeited (160,000)    
Outstanding 1,304,000    
Outstanding, weighted-average grant date fair value 4.21    
Weighted average fair value of options granted 0.00    
Vested, weighted average grant date fair value 4.18    
Forfeited, weighted average grant date fair value 5.65    
Outstanding, weighted-average grant date fair value 4.30