Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Sep. 01, 2018	Sep. 02, 2017
Income Taxes [Abstract]
Deferred tax liabilities: Depreciation	$ (36,361)	$ (56,382)
Deferred tax liabilities: Deferred catalog costs	(561)	(1,079)
Deferred tax liabilities: Goodwill	(77,023)	(103,218)
Deferred tax liabilities	(113,945)	(160,679)
Deferred tax assets: Accounts receivable	2,812	4,441
Deferred tax assets: Inventory	6,163	9,794
Deferred tax assets: Deferred compensation	650	1,280
Deferred tax assets: Stock based compensation	5,329	9,140
Deferred tax assets: Intangible amortization	988	9,517
Foreign Tax Credit	2,712	2,712
Less: Valuation Allowance	(1,762)
Deferred tax assets: Other accrued expenses/reserves	7,192	14,733
Deferred tax assets	24,084	51,617
Net Deferred Tax Liabilities	$ (89,861)	$ (109,062)