Stock-Based Compensation (Employee Restricted Stock Grant Details) (Details) - Employee Restricted Stock [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	31	13	27
Grant date fair value	$ 4,813	$ 2,030	$ 3,218
Weighted average grant date fair value per award (in dollars per share)	$ 153.72	$ 154.66	$ 121.09

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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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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- Definition

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

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- Definition

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

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