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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2014
Share-based Compensation [Abstract] |
Summary Of Stock Option Activity | A summary of the status of stock options and related activity for the three months ended March 31, 2014 is presented below:
| Shares |  | Weighted Average Exercise Price per Share |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value (In thousands)
Options outstanding at December 31, 2013 | 210,241 |  |  | $ | 3.50 |  |  | 1.07 |  | $ | 12,538 |
Granted | — |  |  | — |  |  |  |  |
Exercised | (182,908 | ) |  | 3.36 |  |  |  |  | 11,717 |
Forfeited/expired | — |  |  | — |  |  |  |  |
Options outstanding at March 31, 2014 | 27,333 |  |  | $ | 4.40 |  |  | 0.93 |  | $ | 1,825 |
Options exercisable at March 31, 2014 | 27,333 |  |  | $ | 4.40 |  |  | 0.93 |  | $ | 1,825 |
Summary Of Stock Option Plans By Exercise Price | The following table summarizes information about the stock options outstanding at March 31, 2014:
Exercise Price |  | Number Outstanding |  | Weighted Average Remaining Life (in years) |  | Number Exercisable
$ | 3.36 |  |  | 22,333 |  |  | 0.81 |  | 22,333 |
$ | 9.07 |  |  | 5,000 |  |  | 1.44 |  | 5,000 |
|  | 27,333 |  |  |  |  | 27,333 |
Summary Of Restricted Stock Award And Unit Activity | The following table summarizes restricted stock activity for the three months ended March 31, 2014:
| Number of Unvested Restricted Shares |  | Weighted Average Grant Date Fair Value
Unvested shares as of December 31, 2013 | 463,637 |  |  | $ | 44.80 |
Granted | 114,293 |  |  | 64.04 |
Vested | (63,951 | ) |  | 37.40 |
Forfeited | (4,667 | ) |  | 57.42 |
Unvested shares as of March 31, 2014 | 509,312 |  |  | $ | 49.94 |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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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 remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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