Stock-Based Compensation (Nonemployee Director Restricted Stock Grant Details) (Details) - Director Restricted Stock [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	4	5	4
Grant date fair value	$ 774	$ 760	$ 760
Weighted average grant date fair value per award (in dollars per share)	$ 172.89	$ 155.70	$ 180.16

The weighted average fair value at grant date for nonvested equity-based awards issued 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).

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-Publisher FASB
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-Topic 718
-SubTopic 10
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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-Publisher FASB
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- Definition

Aggregate value of stock related to Restricted Stock Awards issued during the period.

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