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Earnings Per Share (Tables) | 12 Months Ended
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Jun. 30, 2017
Earnings Per Share, Basic and Diluted [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following table reflects the reconciliation between basic and diluted earnings per share.
| Year Ended June 30,
| 2017 |  | 2016 |  | 2015
Net Income | $ | 245,793 |  |  | $ | 248,867 |  |  | $ | 211,221 |
Common share information: |  |  |  |  |
Weighted average shares outstanding for basic earnings per share | 77,856 |  |  | 79,416 |  |  | 81,353 |
Dilutive effect of stock options and restricted stock | 399 |  |  | 318 |  |  | 248 |
Weighted average shares outstanding for diluted earnings per share | 78,255 |  |  | 79,734 |  |  | 81,601 |
Basic earnings per share | $ | 3.16 |  |  | $ | 3.13 |  |  | $ | 2.60 |
Diluted earnings per share | $ | 3.14 |  |  | $ | 3.12 |  |  | $ | 2.59 |

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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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