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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2013
Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] |
Schedule Of Performance Vesting Restricted Stock Units Granted | Under the Company's 2005 Incentive Award Plan (the “Plan”), the Compensation Committee of the Company’s Board of Directors granted performance vesting restricted stock units to the Company’s senior management and key employees as follows:
| Grant Year
| 2013 |  | 2012 |  | 2011
Three-year performance period ending December 31, | 2015 |  |  | 2014 |  |  | 2013 |
Vesting shares, target | 84,500 |  |  | 89,000 |  |  | 80,000 |
Vesting shares, maximum | 190,125 |  |  | 200,250 |  |  | 120,000 |

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- Definition Tabular disclosure of the number, aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both restricted stock units outstanding and restricted stock units fully vested and expected to vest at the date of the latest statement of financial position. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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