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Earnings Per Share (Tables) | 9 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Computation Of Basic And Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings per share:
| Three Months Ended March 31, |  | Nine Months Ended March 31,
| 2017 |  | 2016 |  | 2017 |  | 2016
Numerator: |  |  |  |  |  |  |
Net income | $ | 31,328 |  |  | $ | 48,788 |  |  | $ | 67,117 |  |  | $ | 136,026 |
Denominator (in thousands): |  |  |  |  |  |  |
Basic earnings per share - weighted average shares outstanding during the period | 103,687 |  |  | 103,265 |  |  | 103,584 |  |  | 103,030 |
Effect of dilutive stock options, unvested restricted stock and unvested restricted share units | 559 |  |  | 822 |  |  | 648 |  |  | 1,138 |
Diluted earnings per share - adjusted weighted average shares and assumed conversions | 104,246 |  |  | 104,087 |  |  | 104,232 |  |  | 104,168 |
Net income per common share: |  |  |  |  |  |  |
Basic | $ | 0.30 |  |  | $ | 0.47 |  |  | $ | 0.65 |  |  | $ | 1.32 |
Diluted | $ | 0.30 |  |  | $ | 0.47 |  |  | $ | 0.64 |  |  | $ | 1.31 |

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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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