Note 12 - Stockholders' Equity - Reconciliation of Stockholders' Equity Accounts (Details) (Parentheticals) - $ / shares	3 Months Ended
Nov. 27, 2022	Aug. 28, 2022	Nov. 28, 2021	Aug. 29, 2021
Common stock, dividends per share (in dollars per share)	$ 0.33	$ 0.33	$ 0.3125	$ 0.3125

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration