Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands		Total	Common Shares	Class B Common Stock	Common Stock Common Shares	Common Stock Class B Common Stock	Capital Surplus	Retained Earnings	Retained Earnings Common Shares	Retained Earnings Class B Common Stock	Accumulated Other Comprehensive Loss
Balance at beginning of period at Aug. 29, 2020		$ 1,741,129			$ 1,525	$ 364	$ 86,645	$ 1,684,565			$ (31,970)
Balance at beginning of period (in shares) at Aug. 29, 2020			15,251	3,643
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		41,896						41,896
Change in fair value of derivatives		(21)									(21)
Foreign currency translation		1,310									1,310
Dividends declared Common Stock			$ (3,806)	$ (729)					$ (3,806)	$ (729)
Repurchase of Common Stock		(7,216)			(4)		(223)	(6,989)
Repurchase of common stock (in shares)			(41)
Share-based compensation, net	[1]	788					788
Share-based awards exercised, net	[2]	1			1
Share-based awards exercised, net (in shares)	[2]		11
Balance at end of period at Nov. 28, 2020		1,773,352			1,522	364	87,210	1,714,937			(30,681)
Balance at end of period (in shares) at Nov. 28, 2020			15,221	3,643
Balance at beginning of period at Aug. 28, 2021		1,872,952			1,524	364	89,257	1,806,643			(24,836)
Balance at beginning of period (in shares) at Aug. 28, 2021			15,236	3,643
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		33,705						33,705
Change in fair value of derivatives		47									47
Foreign currency translation		(2,799)									(2,799)
Dividends declared Common Stock			$ (4,566)	$ (874)					$ (4,566)	$ (874)
Repurchase of Common Stock		(4,771)			(2)		(124)	(4,645)
Repurchase of common stock (in shares)			(23)
Share-based compensation, net	[1]	1,207					1,207
Share-based awards exercised, net (in shares)	[2]		7
Balance at end of period at Nov. 27, 2021		$ 1,894,901			$ 1,522	$ 364	$ 90,340	$ 1,830,263			$ (27,588)
Balance at end of period (in shares) at Nov. 27, 2021			15,220	3,643

[1] These amounts are shown net of any shares withheld by the Company to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units.

[2] These amounts are shown net of the effect of income taxes.