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Segment Information (Sales By Product Category) (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Segment Reporting Information By Segment [Line Items]
Net sales	$ 978,261,998	$ 934,015,475	$ 2,871,147,455	$ 2,789,687,266
Grocery [Member]
Segment Reporting Information By Segment [Line Items]
Net sales	341,719,000	344,742,000	1,056,276,000	1,075,061,000
Non-Foods [Member]
Segment Reporting Information By Segment [Line Items]
Net sales	185,188,000	178,402,000	543,641,000	526,783,000
Perishables [Member]
Segment Reporting Information By Segment [Line Items]
Net sales	241,899,000	229,523,000	698,951,000	667,905,000
Gasoline [Member]
Segment Reporting Information By Segment [Line Items]
Net sales	169,580,000	146,868,000	458,052,000	415,956,000
Grocery Sales [Member]
Segment Reporting Information By Segment [Line Items]
Net sales	$ 938,386,000	$ 899,535,000	$ 2,756,920,000	$ 2,685,705,000

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- Definition

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

+ References

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=26872669&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

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