Note 12 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	Feb. 26, 2022	Nov. 27, 2021
Accrued Environmental Loss Contingencies, Noncurrent	$ 6,522	$ 6,603
Facility in Simpsonville, South Carolina [Member]
Accrual for Environmental Loss Contingencies, Ending Balance	$ 3,172	$ 3,333

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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