Note 3 - Restructuring Actions - Restructuring Charges (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 01, 2018	Dec. 02, 2017
Restructuring Charges	$ 8,881	$ 18,031
Cost of Sales [Member]
Restructuring Charges	5,699	9,764
Selling, General and Administrative Expenses [Member]
Restructuring Charges	$ 3,182	$ 8,267

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
-Publisher FASB
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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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration