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Summary Of Significant Accounting Policies (Schedule Of Advertising Expense As A Percentage Of Net Sales) (Details) | 12 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Accounting Policies [Abstract] |  |  |
Advertising expense as a percentage of net sales | 2.00% | 2.00% | 2.00%

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- Definition Advertising Expense As Percentage Of Net Sales + References No definition available. + Details
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- References No definition available. + Details
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