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Earnings Per Share (Tables) | 9 Months Ended
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Mar. 31, 2012
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,
| 2012 |  | 2011 |  | 2012 |  | 2011
Numerator: |  |  |  |  |  |  |
Income from continuing operations | $ | 24,069 |  |  | $ | 16,772 |  |  | $ | 55,627 |  |  | $ | 42,134 |
Income from discontinued operations, net of tax | 38 |  |  | — |  |  | 208 |  |  | — |
Net income | $ | 24,107 |  |  | $ | 16,772 |  |  | $ | 55,835 |  |  | $ | 42,134 |
Denominator (in thousands): |  |  |  |  |  |  |
Denominator for basic earnings per share - weighted average shares outstanding during the period | 44,506 |  |  | 43,202 |  |  | 44,198 |  |  | 42,985 |
Effect of dilutive stock options, unvested restricted stock and unvested restricted stock units | 1,483 |  |  | 1,509 |  |  | 1,468 |  |  | 1,336 |
Denominator for diluted earnings per share - adjusted weighted average shares and assumed conversions | 45,989 |  |  | 44,711 |  |  | 45,666 |  |  | 44,321 |
Basic net income per common share: |  |  |  |  |  |  |  |  |  |  |
From continuing operations | $ | 0.54 |  |  | $ | 0.39 |  |  | $ | 1.26 |  |  | $ | 0.98 |
From discontinued operations | 0.00 |  | — |  |  | 0.00 |  | — |
Net income per common share - basic | $ | 0.54 |  |  | $ | 0.39 |  |  | $ | 1.26 |  |  | $ | 0.98 |
Diluted net income per common share: |  |  |  |  |  |  |
From continuing operations | $ | 0.52 |  |  | $ | 0.38 |  |  | $ | 1.22 |  |  | $ | 0.95 |
From discontinued operations | 0.00 |  | — |  |  | 0.00 |  | — |
Net income per common share - diluted | $ | 0.52 |  |  | $ | 0.38 |  |  | $ | 1.22 |  |  | $ | 0.95 |

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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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