Note 3 - Restructuring Actions - Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Feb. 27, 2021	Feb. 29, 2020	Nov. 28, 2020
Expenses incurred	$ 1,817	$ 43	$ 4,579
Cost of Sales [Member]
Expenses incurred	270	60
Selling, General and Administrative Expenses [Member]
Expenses incurred	$ 1,547	$ (17)

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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