XML 55 R39.htm IDEA: XBRL DOCUMENT v2.3.0.15
Equity Incentive Plans and Stock-Based Compensation (Details 2) (Stock Option Plans, USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended9 Months Ended
Sep. 30, 2011
year
Sep. 30, 2010
Sep. 30, 2011
year
Sep. 30, 2010
Stock Option Plans
    
Number of Shares    
Outstanding, at the beginning of the period (in shares)  13,969,383 
Stock option granted (in shares)487,55093,3002,199,7611,818,623
Options exercised (in shares)  (757,888) 
Stock options forfeited (in shares)  (770,903) 
Outstanding, at the end of the period (in shares)14,640,353 14,640,353 
Vested or expected to vest at the end of the period (in shares)14,098,821 14,098,821 
Options exercisable at the end of the period (in shares)10,196,979 10,196,979 
Weighted Average Exercise Price    
Outstanding at the beginning of the year (in dollars per share)  $ 18.85 
Options granted (in dollars per share)$ 19.27 $ 19.27 
Options exercised (in dollars per share)$ 8.50 $ 8.50 
Options forfeited (in dollars per share)  $ 13.42 
Outstanding at the end of the period (in dollars per share)$ 19.74 $ 19.74 
Vested or expected to vest at the end of the period (in dollars per share)$ 19.77 $ 19.77 
Options exercisable at the end of the period (in dollars per shares)$ 20.22 $ 20.22 
Weighted Average Remaining Contractual Term (in years)    
Outstanding (in years)5.67 5.67 
Vested or expected to vest (in years)  5.55 
Options exercisable (in years)  4.47 
Aggregate Intrinsic Value    
Outstanding$ 10,378 $ 10,378 
Vested or expected to vest10,063 10,063 
Options exercisable$ 6,990 $ 6,990 
Closing stock price (in dollars per share)$ 14.00 $ 14.00 
Total number of in-the-money outstanding (in shares)2,112,007 2,112,007 
Total number of in-the-money exercisable (in shares)1,364,081 1,364,081