Note 8 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Nov. 26, 2022	Nov. 27, 2021	Nov. 28, 2020
Non-cash goodwill impairment charge	$ 0	$ 0	$ 1,971
Goodwill, Impaired, Accumulated Impairment Loss	$ 3,897	$ 3,897	$ 3,897

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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