Benefit And Retirement Plans (Schedule Of Multiemployer Plans) (Details) $ in Thousands	12 Months Ended
Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Multiemployer Plans [Line Items]
Company Contributions	$ 127	$ 150	$ 439
Central States SE and SW Areas Pension Fund [Member]
Multiemployer Plans [Line Items]
EIN/Pension Plan Number	366044243
Pension Protection Act Zone Status	Red	Red
Rehabilitation Plan Status	Implemented
Company Contributions	$ 127	$ 150	157
Surcharge Imposed	No
Expiration Date of Collective Bargaining Agreement	Mar. 31, 2025
Number of Company Employees in Plan	7
Steelworkers Pension Trust [Member]
Multiemployer Plans [Line Items]
EIN/Pension Plan Number	236648508
Pension Protection Act Zone Status	Green	Green
Rehabilitation Plan Status	NA
Company Contributions			279
Surcharge Imposed	No
Central Pension Fund [Member]
Multiemployer Plans [Line Items]
EIN/Pension Plan Number	366052390
Pension Protection Act Zone Status	Green	Green
Rehabilitation Plan Status	NA
Company Contributions			$ 3
Surcharge Imposed	No

Number of Company Employees in multiemployer plan

No definition available.

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- Definition

Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 55
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+ Details

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Period Type:	duration

- Definition

Indicates certified zone status of multiemployer pension plan determined to be individually significant. Acceptable values are "Green", "Yellow", "Orange", "Red", "Other", and "NA".

+ References

+ Details

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- Definition

Expiration date of collective-bargaining arrangement (CBA) requiring contribution to multiemployer pension plan determined to be individually significant, in YYYY-MM-DD format.

+ References

+ Details

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- Definition

Employer Identification Number (EIN) or Tax Identification Number (TIN) assigned by Internal Revenue Service (IRS) for multiemployer pension plan determined to be individually significant, in nine-digit numeric format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 80
-Section 50
-Paragraph 5
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- Definition

Indicates whether funding improvement plan or rehabilitation plan was implemented or pending for multiemployer pension plan, determined to be individually significant. Acceptable values are "No", "Pending", "Implemented", "Other", and "NA".

+ References

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- Definition

Indicates whether employer paid surcharge to multiemployer pension plan determined to be individually significant. Acceptable values are "No", "Yes" and "NA".

+ References

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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.

+ References

No definition available.

+ Details

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