Note 3 - Restructuring Actions - Restructuring Charges (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 28, 2020	Nov. 30, 2019
Restructuring Charges	$ 4,579	$ 14,535
Cost of Sales [Member]
Restructuring Charges	1,013	2,082
Selling, General and Administrative Expenses [Member]
Restructuring Charges	$ 3,567	$ 12,453

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
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration