Note 14 - Stockholders' Equity - Reconciliation of Stockholders' Equity Accounts (Details) (Parentheticals) - $ / shares	3 Months Ended
	Feb. 25, 2024	Nov. 26, 2023	Aug. 27, 2023	Feb. 26, 2023	Nov. 27, 2022	Aug. 28, 2022
Common stock, dividends per share (in dollars per share)	$ 0.35	$ 0.35	$ 0.35	$ 0.33	$ 0.33	$ 0.33