Note 12 - Commitments and Contingencies - Asbestos Related Lawsuits and Claims (Details) - Asbestos Related Lawsuits and Claims [Member] $ in Thousands	3 Months Ended	36 Months Ended
Feb. 26, 2022 USD ($)	Feb. 27, 2021 USD ($)	Nov. 27, 2021 USD ($)
Lawsuits and claims settled	0	2	14
Settlement amounts	$ 0	$ 85	$ 639
Insurance payments received or expected to be received	$ 0	$ 55	$ 434

Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12053-110248

Name:	us-gaap_LossContingencyReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant