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Defined Contribution And Other Employee Plans (Schedule Of Multiemployer Pension Plans) (Details) - Pension Benefits [Member] - Western Conference Of Teamsters Pension Trust [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Multiemployer Plans [Line Items]
EIN	916145047
PN	001
Pension Protection Act Zone Status		Green	Green
Pension Protection Act Zone Status, Date		Dec. 31, 2021	Dec. 31, 2020
FIP/RP Status Pending/Implemented	No
Multiemployer Plan, Contributions by Employer	$ 250	$ 296	$ 327
Surcharge Imposed	No
Expiration Date of Collective Bargaining Agreement	Dec. 15, 2025

X

- Definition

Year-end date of plan applicable to certified zone status for multiemployer pension plan determined to be individually significant, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 55
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948

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-Section 50
-Paragraph 5
-Subparagraph (c)
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X

- 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

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-Publisher FASB
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X

- 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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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X

- Definition

Amount of cost for employer contribution to multiemployer pension plan determined to be individually significant.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 5
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X

- 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
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-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
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Period Type:	duration

X

- 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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
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Period Type:	duration

X

- Definition

Plan number for multiemployer pension plan determined to be individually significant, in three-digit numeric format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
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X

- 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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- Details

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- Details

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