Note 3 - Restructuring Actions - Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
May 30, 2020	Jun. 01, 2019	May 30, 2020	Jun. 01, 2019	Nov. 30, 2019
Expenses incurred	$ 390	$ 1,284	$ 434	$ 2,737	$ 14,535
Cost of Sales [Member]
Expenses incurred	7	618	67	994
Selling, General and Administrative Expenses [Member]
Expenses incurred	$ 383	$ 666	$ 367	$ 1,743

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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