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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2014
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings per Share | The computations of Basic and Diluted Earnings per Share were as follows:
| Three Months Ended |  | Nine Months Ended
| September 30 |  | September 30
| 2014 |  | 2013 |  | 2014 |  | 2013
Numerator: |  |  |  |  |  |  |
Net Earnings | $ | 11,792 |  |  | $ | 10,617 |  |  | $ | 33,110 |  |  | $ | 29,930 |
Denominator: |  |  |  |  |  |  |
Basic - Weighted Average Shares Outstanding | 18,120,729 |  |  | 18,267,828 |  |  | 18,201,291 |  |  | 18,288,083 |
Effect of dilutive securities: |  |  |  |  |  |  |
Share-based compensation plans | 514,558 |  |  | 543,810 |  |  | 526,527 |  |  | 535,662 |
Diluted - Weighted Average Shares Outstanding | 18,635,287 |  |  | 18,811,638 |  |  | 18,727,818 |  |  | 18,823,745 |
Basic Earnings per Share | $ | 0.65 |  |  | $ | 0.58 |  |  | $ | 1.82 |  |  | $ | 1.64 |
Diluted Earnings per Share | $ | 0.63 |  |  | $ | 0.56 |  |  | $ | 1.77 |  |  | $ | 1.59 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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