Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Sep. 03, 2022	Aug. 28, 2021
Income Taxes [Abstract]
Deferred tax liabilities: Depreciation	$ (41,990)	$ (38,825)
Deferred tax liabilities: Right-of-use assets	(14,898)	(10,998)
Deferred tax liabilities: Goodwill	(111,471)	(105,203)
Deferred tax liabilities: Intangible amortization	(2,568)	(2,667)
Deferred tax liabilities	(170,927)	(157,693)
Deferred tax assets: Accounts receivable	4,605	4,154
Deferred tax assets: Lease liability	14,766	10,767
Deferred tax assets: Inventory	13,476	16,194
Deferred tax assets: Self-insurance liability	1,605	1,859
Deferred tax assets: Deferred compensation	586	328
Deferred tax assets: Stock-based compensation	5,881	6,295
Deferred tax assets: Foreign tax credit		2,204
Less: valuation allowance		(826)
Deferred tax assets: Other accrued expenses/reserves	14,915	13,681
Deferred tax assets	55,834	54,656
Net Deferred Tax Liabilities	$ (115,093)	$ (103,037)