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Note 8 - Earnings Per Share | 12 Months Ended
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Jun. 30, 2018
Notes to Financial Statements |
Earnings Per Share [Text Block] | Note 8. Earnings Per Share: The following table reflects the calculation of basic and diluted earnings per share (in thousands, except per share amounts):
|  | 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 |
Basic net income per common share is calculated based on the weighted average number of common shares outstanding during the period. Diluted net income per common share is computed by dividing net income by the weighted average number of common and potentially dilutive common shares outstanding during the period. Potentially dilutive common shares of our stock result from dilutive common stock options and restricted stock units. We use the treasury stock method to calculate the weighted-average shares used in the diluted earnings per share computation. Under the treasury stock method, the proceeds from exercise of an option, the amount of compensation cost, if any, for future service that we have not yet recognized, and the amount of estimated tax benefits that would be recorded in paid-in capital, if any, when the option is exercised are assumed to be used to repurchase shares in the current period. The dilutive effect of stock options in the above table excludes all options for which the aggregate exercise proceeds exceeded the average market price for the period. The number of potentially dilutive option shares excluded from the calculation was 0.9 million, 2.0 million, and 1.2 million for the fiscal years ended June 30, 2018, 2017 and 2016, respectively.

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