Employee Benefit Plans (Assumptions Used To Estimate Fair Value For Stock Options Granted) (Details) - $ / shares	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Retirement Benefits [Abstract]
Risk-free interest rate	0.10%	1.40%	2.70%
Dividend yield	2.60%	1.90%	1.90%
Weighted average volatility factor	25.80%	19.30%	20.90%
Weighted average expected life (in years)	5 years 4 months 24 days	5 years 4 months 24 days	5 years 4 months 24 days
Weighted average fair value (in dollars per share)	$ 21.66	$ 24.40	$ 26.60

No definition available.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

Rate of weighted-average expected volatility for award under share-based payment arrangement.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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