Stockholders' Equity Transactions (Details) - $ / shares	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Sep. 16, 2014
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased			1,000,000
Common Stock Shares Outstanding	18,347,351	18,477,874	19,400,000
Treasury Stock Acquired, Average Cost Per Share	$ 16.99
Employees and Directors [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Options Exercised (in shares)	15,600	31,100
Stock Issued During Period Shares Cashless Exercise of Stock Options	3,600	23,600
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	1,628	8,333
Treasury Stock
Equity, Class of Treasury Stock [Line Items]
Stock Options Exercised (in shares)		0
Treasury Stock, Shares, Acquired	144,405	274,065

Number of stock issued as a result of the cashless exercise of stock options.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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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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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Number of share options (or share units) exercised during the current period.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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