Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Aug. 30, 2014	Aug. 31, 2013
Income Taxes [Abstract]
Deferred tax liabilities: Depreciation	$ (46,722)	$ (46,339)
Deferred tax liabilities: Deferred catalog costs	(1,937)	(1,730)
Deferred tax liabilities: Goodwill	(59,387)	(44,751)
Deferred tax liabilities	(108,046)	(92,820)
Deferred tax assets: Accounts receivable	2,933	2,254
Deferred tax assets: Inventory	7,504	7,345
Deferred tax assets: Deferred compensation	1,799	1,509
Deferred tax assets: Stock based compensation	11,582	10,888
Deferred tax assets: Intangible amortization	10,950	9,983
Deferred tax assets: Other	6,485	5,792
Deferred tax assets	41,253	37,771
Net Deferred Tax Liabilities	$ (66,793)	$ (55,049)