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Earnings Per Share (Tables) | 12 Months Ended
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Jun. 30, 2012
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
| Year Ended
| June 30,
| 2012 |  | 2011 |  | 2010
Net Income | $ | 154,984 |  |  | $ | 137,471 |  |  | $ | 117,870 |
Common share information: |  |  |  |  |
Weighted average shares outstanding for basic earnings per share | 86,599 |  |  | 85,948 |  |  | 84,558 |
Dilutive effect of stock options and restricted stock | 688 |  |  | 739 |  |  | 823 |
Weighted average shares outstanding for diluted earnings per share | 87,287 |  |  | 86,687 |  |  | 85,381 |
Basic earnings per share | $ | 1.79 |  |  | $ | 1.60 |  |  | $ | 1.39 |
Diluted earnings per share | $ | 1.78 |  |  | $ | 1.59 |  |  | $ | 1.38 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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