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Share-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2011
Share-Based Compensation |
Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range And Intrinsic Value |
|  | Outstanding Options (1) |  |  | Exercisable Options (1) |
Range of Exercise Prices |  | Number |  |  | Weighted Average Price |  |  | Number |  |  | Weighted Average Price |
$30.06-$41.16 |  |  | 473,684 |  |  | $ | 32.08 |  |  |  | 179,979 |  |  | $ | 35.38 |
$42.90-$45.53 |  |  | 466,060 |  |  |  | 44.32 |  |  |  | 428,797 |  |  |  | 44.36 |
$48.02-$73.32 |  |  | 406,219 |  |  |  | 51.77 |  |  |  | 253,068 |  |  |  | 54.03 |
Total options |  |  | 1,345,963 |  |  | $ | 42.26 |  |  |  | 861,844 |  |  | $ | 45.32 |
(1) | The aggregate intrinsic values of outstanding options and exercisable options at September 30, 2011 were $18.3 million and $9.3 million, respectively. The aggregate intrinsic values were calculated as the excess, if any, between our closing share price of $55.26 per share on September 30, 2011 and the strike price of the underlying award.
Summary Of Share Incentive Plans |
|  | Options Outstanding |  |  | Weighted Average Exercise / Grant Price |  |  | Nonvested Share Awards Outstanding |  |  | Weighted Average Exercise / Grant Price |
Total options and nonvested share awards outstanding at December 31, 2010 |  |  | 1,847,136 |  |  | $ | 42.39 |  |  |  | 741,505 |  |  | $ | 42.16 |
Granted |  |  | — |  |  |  | — |  |  |  | 344,159 |  |  |  | 57.00 |
Exercised/vested |  |  | (501,173 | ) |  |  | 42.64 |  |  |  | (235,093 | ) |  |  | 46.74 |
Forfeited |  |  | — |  |  |  | — |  |  |  | (16,024 | ) |  |  | 43.89 |
Net activity |  |  | (501,173 | ) |  |  |  |  |  |  | 93,042 |  |  |  |  |
Total options and nonvested share awards outstanding at September 30, 2011 |  |  | 1,345,963 |  |  | $ | 42.26 |  |  |  | 834,547 |  |  | $ | 46.96 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and aggregate intrinsic value. + Details
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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + Details
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