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Note 8 - Earnings Per Share (Tables) | 12 Months Ended
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Jun. 30, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Year Ended June 30, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Earnings per share – basic: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 126,150 |  |  | $ | 76,086 |  |  | $ | 104,476 |
Income allocated to participating securities |  |  | (108 | ) |  |  | (65 | ) |  |  | (52 | )
Income available to common shareholders |  | $ | 126,042 |  |  | $ | 76,021 |  |  | $ | 104,424 |
Weighted-average shares outstanding – basic |  |  | 37,476 |  |  |  | 37,313 |  |  |  | 37,194 |
Earnings per share – basic |  | $ | 3.36 |  |  | $ | 2.04 |  |  | $ | 2.81 |
Earnings per share – diluted: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 126,150 |  |  | $ | 76,086 |  |  | $ | 104,476 |
Income allocated to participating securities |  |  | (108 | ) |  |  | (65 | ) |  |  | (52 | )
Income available to common shareholders |  | $ | 126,042 |  |  | $ | 76,021 |  |  | $ | 104,424 |
Weighted-average shares outstanding – basic |  |  | 37,476 |  |  |  | 37,313 |  |  |  | 37,194 |
Dilutive effect of stock options and restricted stock units |  |  | 579 |  |  |  | 187 |  |  |  | 132 |
Weighted-average common shares outstanding – diluted |  |  | 38,055 |  |  |  | 37,500 |  |  |  | 37,326 |
Earnings per share – diluted |  | $ | 3.31 |  |  | $ | 2.03 |  |  | $ | 2.80 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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