v2.4.0.6
Stockholders Equity and Stock-Based Compensation Restricted Stock Unit Activity (Details) (Restricted Stock Units (RSUs) [Member], USD $)
9 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Restricted Stock Units (RSUs) [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
RSU, Nonvested, Number 29,093,524 11,944,844
RSU, Grants in Period 22,759,517  
RSU, Vested in Period (3,225,241)  
RSU, Forfeited in Period (2,385,596)  
RSU, Nonvested, Weighted Average Grant Date Fair Value $ 10.29 $ 12.23
RSU, Grants in Period, Weighted Average Grant Date Fair Value $ 9.83  
RSU, Vested in Period, Weighted Average Grant Date Fair Value $ 10.63  
RSU, Forfeited in Period, Weighted Average Grant Date Fair Value $ 15.36