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Note 10.Stock Compensation Plans - Restricted Share Units Textuals (Details) - Restricted Stock Units (RSUs) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Maximum |  |  |
Share-based Compensation Arrangements |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Contractual Life | 1 year |  |
Stock Option and Incentive Plan 2014 |  |  |
Share-based Compensation Arrangements |  |  |
Share-based Compensation Arrangements, Grants in Period | 3,322 | 0 | 0
Share-based Compensation Arrangements, Grants in Period, Weighted Average Grant Date Fair Value | $ 19.63 |  |
Share-based Compensation Arrangements, Vested in Period, Fair Value | $ 0.1 |  |

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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition. + References No definition available. + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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