Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 01, 2012	Aug. 27, 2011
Income Taxes [Abstract]
Deferred tax liabilities: Depreciation	$ (41,812)	$ (37,544)
Deferred tax liabilities: Deferred catalog costs	(1,779)	(2,435)
Deferred tax liabilities: Goodwill	(35,841)	(30,216)
Deferred tax liabilities	(79,432)	(70,195)
Deferred tax assets: Accounts receivable	2,030	1,753
Deferred tax assets: Inventory	5,703	5,589
Deferred tax assets: Deferred compensation	1,272	1,061
Deferred tax assets: Stock based compensation	9,981	9,129
Deferred tax assets: Intangible amortization	7,027	5,037
Deferred tax assets: Other	5,705	5,962
Deferred tax assets	31,718	28,531
Net Deferred Tax Liabilities	$ (47,714)	$ (41,664)