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Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021 | Nov. 30, 2010
Summary Of Accounting Policies [Line Items] |  |  |  |
Impairment of property, plant and equipment |  | $ 7.6 |  |
Amount capitalized for deferred software costs related to cloud computing arrangements |  | $ 1.6 | $ 3.5 |
Preferred stock, shares authorized (in shares) | 3,050,000 | 3,050,000 |  |
Shares authorized for repurchase (in shares) |  |  |  | 2,000,000
Shares remaining authorized for future purchase (in shares) | 1,176,739 |  |  |
Maximum [Member] |  |  |  |
Summary Of Accounting Policies [Line Items] |  |  |  |
Research and development costs as a percentage of net sales | 1.00% | 1.00% | 1.00% |
Class A Participating Preferred Stock[Member] |  |  |  |
Summary Of Accounting Policies [Line Items] |  |  |  |
Preferred stock, shares authorized (in shares) | 750,000 |  |  |
Preferred stock, par value (in dollars per share) | $ 1.00 |  |  |
Class B Voting Preferred Stock[Member] |  |  |  |
Summary Of Accounting Policies [Line Items] |  |  |  |
Preferred stock, shares authorized (in shares) | 1,150,000 |  |  |
Preferred stock, par value (in dollars per share) | $ 0 |  |  |
Class C Nonvoting Preferred Stock [Member] |  |  |  |
Summary Of Accounting Policies [Line Items] |  |  |  |
Preferred stock, shares authorized (in shares) | 1,150,000 |  |  |
Preferred stock, par value (in dollars per share) | $ 0 |  |  |
Buildings And Improvements [Member] | Minimum [Member] |  |  |  |
Summary Of Accounting Policies [Line Items] |  |  |  |
Estimated useful life (in years) | 10 years |  |  |
Buildings And Improvements [Member] | Maximum [Member] |  |  |  |
Summary Of Accounting Policies [Line Items] |  |  |  |
Estimated useful life (in years) | 40 years |  |  |
Machinery And Equipment [Member] | Minimum [Member] |  |  |  |
Summary Of Accounting Policies [Line Items] |  |  |  |
Estimated useful life (in years) | 3 years |  |  |
Machinery And Equipment [Member] | Maximum [Member] |  |  |  |
Summary Of Accounting Policies [Line Items] |  |  |  |
Estimated useful life (in years) | 15 years |  |  |
Technology-Related Equipment [Member] | Minimum [Member] |  |  |  |
Summary Of Accounting Policies [Line Items] |  |  |  |
Estimated useful life (in years) | 3 years |  |  |
Technology-Related Equipment [Member] | Maximum [Member] |  |  |  |
Summary Of Accounting Policies [Line Items] |  |  |  |
Estimated useful life (in years) | 5 years |  |  |

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