Segment Information (Summary Of Segment Revenue Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Nov. 24, 2012	Nov. 26, 2011
Net Sales	$ 2,421,688	$ 2,148,287
Consumables [Member]
Net Sales	1,789,285	1,509,536
Home Products [Member]
Net Sales	242,335	246,000
Apparel And Accessories [Member]
Net Sales	178,026	186,214
Seasonal And Electronics [Member]
Net Sales	$ 212,042	$ 206,537

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(a))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

Name:	us-gaap_SalesRevenueGoodsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration