Note 19 - Quarterly Results of Operations (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Nov. 28, 2020	Aug. 29, 2020	May 30, 2020	Nov. 27, 2021	Nov. 28, 2020	Nov. 30, 2019
Goodwill, Impairment Loss			$ 1,971	$ 0	$ 1,971	$ 1,926
Asset Impairment Charges, Total			12,184
Legal Fees			$ 1,050	0	1,050	700
Gain (Loss) from Company Owned Life Insurance		$ 914			914	629
Gain (Loss) on Termination of Lease	$ 1,161			$ 37	$ 1,313	$ (0)

Amount of gain (loss) from company owned life insurance.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of gain (loss) on termination of lease before expiration of lease term.

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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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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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