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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2015
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share Basic And Diluted | The following table reconciles the numerators and denominators used in the calculation of basic and diluted earnings per share (EPS), adjusted for the 2 for 1 stock split effected in the form of a 100% stock dividend issued on December 31, 2014:
| Three Months Ended March 31,
| 2015 |  | 2014
Numerators: |  |  |
Numerator for both basic and diluted EPS, net income | $ | 77,183,441 |  |  | $ | 68,566,071 |
Denominators: |  |  |
Denominator for basic EPS, weighted-average shares outstanding | 295,031,431 |  |  | 289,836,812 |
Potentially dilutive shares resulting from stock plans | 3,562,712 |  |  | 3,600,202 |
Denominator for diluted EPS | 298,594,143 |  |  | 293,437,014 |
Shares related to stock plans not included in diluted average common shares outstanding because their effect would be anti-dilutive | 1,184,635 |  |  | 1,188,830 |

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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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