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Earnings Per Share (Tables) | 9 Months Ended
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Mar. 31, 2014
Earnings Per Share, Basic and Diluted [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
| Three Months Ended March 31, |  | Nine Months Ended March 31,
| 2014 |  | 2013 |  | 2014 |  | 2013
Net Income | $ | 46,757 |  |  | $ | 45,996 |  |  | $ | 150,527 |  |  | $ | 128,976 |
Common share information: |  |  |  |  |  |  |
Weighted average shares outstanding for basic earnings per share | 84,981 |  |  | 86,120 |  |  | 85,242 |  |  | 86,104 |
Dilutive effect of stock options and restricted stock | 486 |  |  | 585 |  |  | 527 |  |  | 546 |
Weighted average shares outstanding for diluted earnings per share | 85,467 |  |  | 86,705 |  |  | 85,769 |  |  | 86,650 |
Basic earnings per share | $ | 0.55 |  |  | $ | 0.53 |  |  | $ | 1.77 |  |  | $ | 1.50 |
Diluted earnings per share | $ | 0.55 |  |  | $ | 0.53 |  |  | $ | 1.76 |  |  | $ | 1.49 |

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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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