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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2012
Earnings (Loss) Per Share [Abstract] |
Computation of Basic and Diluted earnings (Loss) per share | The computations of Basic and Diluted Earnings per Share were as follows:
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30 |  |  | June 30 |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net Earnings |  | $ | 13,671 |  |  | $ | 5,855 |  |  | $ | 18,995 |  |  | $ | 11,721 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic - Weighted Average Shares Outstanding |  |  | 18,594,207 |  |  |  | 18,941,131 |  |  |  | 18,658,182 |  |  |  | 18,952,093 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation plans |  |  | 609,356 |  |  |  | 526,422 |  |  |  | 604,287 |  |  |  | 538,963 |
Diluted - Weighted Average Shares Outstanding |  |  | 19,203,563 |  |  |  | 19,467,553 |  |  |  | 19,262,469 |  |  |  | 19,491,056 |
Basic Earnings per Share |  | $ | 0.74 |  |  | $ | 0.31 |  |  | $ | 1.02 |  |  | $ | 0.62 |
Diluted Earnings per Share |  | $ | 0.71 |  |  | $ | 0.30 |  |  | $ | 0.99 |  |  | $ | 0.60 |

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 260 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (a) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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