Note 9 - Post Employment Benefit Obligations - Pension Liability (Details) - Pension Plans Defined Benefit and Supplemental Employee Retirement Plan [Member] - USD ($) $ in Thousands	Aug. 26, 2023	Nov. 26, 2022
Accrued compensation and benefits	$ 7,399	$ 7,262
Accrued Compensation and Benefits [Member]
Accrued compensation and benefits	698	698
Post Employment Benefit Obligations [Member]
Accrued compensation and benefits	$ 6,701	$ 6,564

Amount of liability, recognized in statement of financial position, for pension, other postretirement and postemployment benefits.

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//1943274/2147479853/942-210-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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant