XML 60 R53.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock Based Compensation (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Stock-Based Compensation (Textual) [Abstract]        
Common shares available for grant 5,000,000   5,000,000  
Common stock reserved for issuance upon exercise of incentive stock options 382,997   382,997  
Restricted stock granted   0   0
Stock options granted, vesting period, high end of range     5 years 1 month 6 days  
Recognition of remaining compensation expense over a weighted-average period     22 months  
Stock-Based Compensation (Additional Textual) [Abstract]        
Unrecognized compensation expense $ 3,500,000   $ 3,500,000  
Fair value of shares vesting 6,000,000 9,400,000 59,000,000 18,600,000
Exercised, Number of Stock options     217,003 145,200
Surrender of shares     71,409  
Income tax benefit recognized stock based compensation 0 0 0 0
Total intrinsic value of the options exercised     1,470,101,000 684,220,000
Total intrinsic value of the options exercised, Income tax benefit recognized     437,000,000 168,000,000
Maximum [Member]
       
Stock-Based Compensation (Textual) [Abstract]        
Stock options granted, vesting period, high end of range     10 years  
Minimum [Member]
       
Stock-Based Compensation (Textual) [Abstract]        
Stock options granted, vesting period range     5 years  
2007 Stock Option and Incentive Plan (Prior Plan) [Member]
       
Stock-Based Compensation (Textual) [Abstract]        
Common shares available for grant 6,000,000   6,000,000  
Cancelled shares, reserved for future issuance     4,604,800  
Total unrecognized compensation expense, nonvested restricted stock arrangements granted     $ 2,400,000  
Omnibus Incentive Plan New Plan 2012 [Member]
       
Stock-Based Compensation (Textual) [Abstract]        
Common shares available for grant 5,000,000   5,000,000  
Common stock reserved for issuance upon exercise of incentive stock options 4,000,000   4,000,000  
Number of shares granted     0  
Stock options [Member]
       
Stock-Based Compensation (Textual) [Abstract]        
Number of shares granted 0 0 0 0
Restricted Stock [Member]
       
Stock-Based Compensation (Textual) [Abstract]        
Recognition of remaining compensation expense over a weighted-average period     42 months