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Basis of Presentation and Summary of Significant Accounting Policies (Narrative, Dividends) (Details) - $ / shares | 12 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Accounting Policies [Abstract] |  |  |
Cash dividends per common share (in usd per share) | $ 1.98 | $ 1.96 | $ 1.94

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 + Details
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