Note 8 - Post Employment Benefit Obligations - Pension Liability (Details) - Pension Plans Defined Benefit and Supplemental Employee Retirement Plan [Member] - USD ($) $ in Thousands	May 28, 2022	Nov. 27, 2021
Combined pension liability	$ 10,648	$ 10,740
Accrued Compensation and Benefits [Member]
Combined pension liability	913	913
Post Employment Benefit Obligations [Member]
Combined pension liability	$ 9,735	$ 9,827

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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant