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Note 9 - Earnings Per Share (Tables) | 9 Months Ended
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Mar. 31, 2020
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Quarter Ended |  |  | Nine Months Ended |
|  | March 31, |  |  | March 31, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Earnings per share – basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 36,432 |  |  | $ | 44,654 |  |  | $ | 170,451 |  |  | $ | 79,612 |
Income allocated to participating securities |  |  | (26 | ) |  |  | (35 | ) |  |  | (126 | ) |  |  | (66 | )
Income available to common shareholders |  | $ | 36,406 |  |  | $ | 44,619 |  |  | $ | 170,325 |  |  | $ | 79,546 |
Weighted-average shares outstanding – basic |  |  | 38,303 |  |  |  | 37,772 |  |  |  | 38,167 |  |  |  | 37,745 |
Earnings per share – basic |  | $ | 0.95 |  |  | $ | 1.18 |  |  | $ | 4.46 |  |  | $ | 2.11 |
Earnings per share – diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 36,432 |  |  | $ | 44,654 |  |  | $ | 170,451 |  |  | $ | 79,612 |
Income allocated to participating securities |  |  | (26 | ) |  |  | (35 | ) |  |  | (126 | ) |  |  | (66 | )
Income available to common shareholders |  | $ | 36,406 |  |  | $ | 44,619 |  |  | $ | 170,325 |  |  | $ | 79,546 |
Weighted-average shares outstanding – basic |  |  | 38,303 |  |  |  | 37,772 |  |  |  | 38,167 |  |  |  | 37,745 |
Dilutive effect of stock options and restricted stock units |  |  | 1,132 |  |  |  | 1,089 |  |  |  | 1,187 |  |  |  | 1,068 |
Weighted-average common shares outstanding – diluted |  |  | 39,435 |  |  |  | 38,861 |  |  |  | 39,354 |  |  |  | 38,813 |
Earnings per share – diluted |  | $ | 0.92 |  |  | $ | 1.15 |  |  | $ | 4.33 |  |  | $ | 2.05 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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