Note 3 - Restructuring Actions - Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 01, 2018	Sep. 02, 2017	Sep. 01, 2018	Sep. 02, 2017	Dec. 02, 2017
Expenses incurred	$ 2,803	$ 1,270	$ 5,956	$ 17,072	$ 18,031
Cost of Sales [Member]
Expenses incurred	1,939	471	3,127	9,370
Selling, General and Administrative Expenses [Member]
Expenses incurred	$ 864	$ 799	$ 2,829	$ 7,702

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
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Balance Type:	debit
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