v2.3.0.11

Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2011
Stock-Based Compensation [Abstract] |
Stock option rollforward table |
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Term (in years) |  |  | Aggregate Intrinsic Value (in millions) |
Outstanding - December 31, 2010 |  |  | 17,164,890 |  |  | $ | 17.44 |  |  |  | 5.6 |  |  | $ | 8 |
Granted |  |  | 909,306 |  |  | $ | 14.32 |  |  |  |  |  |  |  |  |
Exercised |  |  | 6,654 |  |  | $ | 10.95 |  |  |  |  |  |  |  |  |
Forfeited |  |  | 51,050 |  |  | $ | 11.23 |  |  |  |  |  |  |  |  |
Expired |  |  | 156,885 |  |  | $ | 17.55 |  |  |  |  |  |  |  |  |
Outstanding - June 30, 2011 |  |  | 17,859,607 |  |  | $ | 17.30 |  |  |  | 5.3 |  |  | $ | 25 |
Exercisable - June 30, 2011 |  |  | 6,665,499 |  |  | $ | 19.15 |  |  |  | 5.3 |  |  | $ | 1 |
Vested and expected to vest - June 30, 2011 |  |  | 17,443,021 |  |  | $ | 17.41 |  |  |  | 5.2 |  |  | $ | 24 |
Weighted average grant date fair value table |
|  | 2011 |  |  | 2010 |
Expected term (in years)(1) |  |  | 6.5 |  |  |  | 6.5 |
Risk-free interest rate(2) |  |  | 2.7 — 3.2 | % |  |  | 2.9 — 3.3 | %
Expected volatility(3) |  |  | 31.2 — 31.7 | % |  |  | 35.0 — 37.6 | %
Dividend yield(4) |  |  | — |  |  |  | — |
Weighted average grant-date fair value (per option) |  | $ | 5.48 |  |  | $ | 4.66 |
_________
(1) | Expected term calculated using the simplified method prescribed by the SEC due to the lack of sufficient historical exercise data to provide a reasonable basis to estimate the expected term.
(2) | Zero Coupon U.S. Treasury rate or equivalent based on expected term.
(3) | Volatility calculated using the implied volatility of our exchange traded stock options.
(4) | We have never paid cash dividends on our common stock, and it is not anticipated that any cash dividends will be paid on our common stock in the near future.
RSA and RSU rollforward table |
|  | Number of Restricted Stock Awards |  |  | Weighted Average Grant-Date Fair Value |
Nonvested - December 31, 2010 |  |  | 2,683,117 |  |  | $ | 11.16 |
Granted |  |  | 1,630,465 |  |  | $ | 14.38 |
Forfeited |  |  | 145,923 |  |  | $ | 11.88 |
Vested |  |  | 460,232 |  |  | $ | 14.62 |
Nonvested - June 30, 2011 |  |  | 3,707,427 |  |  | $ | 12.10 |

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