Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Aug. 29, 2015	Aug. 30, 2014
Income Taxes [Abstract]
Deferred tax liabilities: Depreciation	$ (51,204)	$ (46,722)
Deferred tax liabilities: Deferred catalog costs	(1,155)	(1,937)
Deferred tax liabilities: Goodwill	(73,996)	(59,387)
Deferred tax liabilities	(126,355)	(108,046)
Deferred tax assets: Accounts receivable	3,807	2,933
Deferred tax assets: Inventory	9,036	7,504
Deferred tax assets: Deferred compensation	2,409	1,799
Deferred tax assets: Stock based compensation	9,831	11,582
Deferred tax assets: Intangible amortization	11,788	10,950
Deferred tax assets: Other	7,772	6,485
Deferred tax assets	44,643	41,253
Deferred tax liabilities	$ (81,712)	$ (66,793)