Note 8 - Post Employment Benefit Obligations (Details Textual) - USD ($) $ in Thousands	May 02, 2017	May 31, 2025	Nov. 30, 2024
Postemployment Benefits Liability, Noncurrent		$ 10,814	$ 10,882
Unfunded Deferred Compensation Plan [Member]
Postemployment Benefits Liability, Noncurrent		1,584	1,601
Deferred Compensation, Management Savings Plan [Member]
Postemployment Benefits Liability, Noncurrent		3,373	3,486
Management Savings Plan [member]
Defined Benefit Plan, Fixed Future Benefit Award	$ 2,000
Defined Benefit Plan, Fixed Future Benefit Award, Individual Participants	$ 400
Postemployment Benefits Liability, Noncurrent		1,401	1,360
Supplemental Employee Retirement Plan [Member]
Liability, Other Postretirement Defined Benefit Plan		$ 5,578	$ 5,557

The fixed future benefit awarded to participants of the unfunded defined benefit plan.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The fixed future benefit awarded to each individual participant of the unfunded defined benefit plan.

+ References

No definition available.

+ Details

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- Definition

Amount of liability, recognized in statement of financial position, for defined benefit other postretirement plan. Excludes pension plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(15))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480535/715-20-45-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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- Definition

For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement that is payable after one year (or beyond the operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 712
-SubTopic 10
-Name Accounting Standards Codification
-Section 25
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481179/712-10-25-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 712
-SubTopic 10
-Name Accounting Standards Codification
-Section 25
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481179/712-10-25-5

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- Details

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- Details

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