Condensed Consolidated Statements Of Shareholders' Equity - USD ($) $ in Thousands	Class A Common Stock [Member] Common Stock [Member]	Class A Common Stock [Member] Retained Earnings [Member] Regular Dividends [Member]	Class A Common Stock [Member] Retained Earnings [Member] Special Dividends [Member]	Class A Common Stock [Member] Treasury Stock [Member]	Class A Common Stock [Member]	Class B Common Stock [Member] Common Stock [Member]	Class B Common Stock [Member] Retained Earnings [Member] Regular Dividends [Member]	Class B Common Stock [Member] Retained Earnings [Member] Special Dividends [Member]	Class B Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance, Value at Aug. 29, 2020	$ 47					$ 10				$ 690,739	$ 749,515	$ (21,418)	$ (103,948)		$ 5,628
Foreign Currency Translation Adjustment												6,638			509	$ 7,147
Net Income (Loss)											150,973				1,087	150,973
Associate Incentive Plans										44,908
Associate Incentive Plans													2,604
Repurchase and retirement of Class A common stock, Value					$ (50,700)					(85)	(47,008)
Repurchases of Class A common stock, Value				$ (3,607)
Exchange of Class B common stock for Class A common stock, value	1					(1)
Cash dividends declared on Common Stock		$ (105,195)	$ (163,511)				$ (20,512)	$ (31,840)
Dividend equivalents declared, net of cancellations											(3,656)
Balance, Value at May. 29, 2021	48					9				735,562	528,766	(14,780)	(104,951)	$ 1,144,654	7,224	1,151,878
Dividends declared per Common Share					$ 5.75				$ 5.75
Balance, Value at Feb. 27, 2021	48					9				712,750	523,757	(18,806)	(105,645)		6,424
Foreign Currency Translation Adjustment												4,026			299	4,325
Net Income (Loss)											94,434				501	94,434
Associate Incentive Plans										22,897
Associate Incentive Plans													782
Repurchase and retirement of Class A common stock, Value					$ (47,181)					(85)	(47,008)
Repurchases of Class A common stock, Value				(88)
Exchange of Class B common stock for Class A common stock, value
Cash dividends declared on Common Stock		(35,387)					(6,635)
Dividend equivalents declared, net of cancellations											(395)
Balance, Value at May. 29, 2021	48					9				735,562	528,766	(14,780)	(104,951)	1,144,654	7,224	1,151,878
Dividends declared per Common Share					$ 0.75				0.75
Balance, Value at Aug. 28, 2021	48					9				740,867	532,315	(17,984)	(104,384)		11,001	1,161,872
Foreign Currency Translation Adjustment												(1,048)			366	(682)
Net Income (Loss)											235,655				473	235,655
Associate Incentive Plans										39,444
Associate Incentive Plans													2,673
Repurchases of Class A common stock, Value				(4,944)	$ (4,944)
Exchange of Class B common stock for Class A common stock, value
Cash dividends declared on Common Stock		(106,060)					(19,472)
Dividend equivalents declared, net of cancellations											(994)
Balance, Value at May. 28, 2022	48					9				780,311	641,444	(19,032)	(106,655)	1,296,125	11,840	1,307,965
Dividends declared per Common Share					$ 2.25				2.25
Balance, Value at Feb. 26, 2022	48					9				766,156	584,283	(19,121)	(107,401)		11,327
Foreign Currency Translation Adjustment												89			453	542
Net Income (Loss)											99,657				60	99,657
Associate Incentive Plans										14,155
Associate Incentive Plans													877
Repurchases of Class A common stock, Value				$ (131)	$ (131)
Exchange of Class B common stock for Class A common stock, value
Cash dividends declared on Common Stock		$ (35,455)					$ (6,491)
Dividend equivalents declared, net of cancellations											(550)
Balance, Value at May. 28, 2022	$ 48					$ 9				$ 780,311	$ 641,444	$ (19,032)	$ (106,655)	$ 1,296,125	$ 11,840	$ 1,307,965
Dividends declared per Common Share					$ 0.75				$ 0.75