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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2015
Basic and Diluted Weighted Average Shares Outstanding | Basic and diluted weighted average shares outstanding were as follows:
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Weighted average common shares |  |  | 32,870,473 |  |  |  | 32,233,694 |  |  |  | 32,827,536 |  |  |  | 32,098,269 |
Dilutive common stock options |  |  | 800,223 |  |  |  | 842,690 |  |  |  | 754,146 |  |  |  | 865,285 |
Weighted average common shares, assuming dilution |  |  | 33,670,696 |  |  |  | 33,076,384 |  |  |  | 33,581,682 |  |  |  | 32,963,554 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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