Note 9 - Post Employment Benefit Obligations - Pension Liability (Details) - Pension Plans Defined Benefit and Supplemental Employee Retirement Plan [Member] - USD ($) $ in Thousands	Feb. 25, 2023	Nov. 26, 2022
Combined pension liability	$ 7,307	$ 7,262
Accrued Compensation and Benefits [Member]
Combined pension liability	698	698
Post Employment Benefit Obligations [Member]
Combined pension liability	$ 6,609	$ 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
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant