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Segment Information (Sales By Product Category) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Segment Reporting Information By Segment [Line Items]
Net sales	$ 945,974,494	$ 978,261,998	$ 2,825,806,017	$ 2,871,147,455
Grocery
Segment Reporting Information By Segment [Line Items]
Net sales	335,974,000	341,719,000	1,042,559,000	1,056,276,000
Non-foods
Segment Reporting Information By Segment [Line Items]
Net sales	195,484,000	185,188,000	571,059,000	543,641,000
Perishables
Segment Reporting Information By Segment [Line Items]
Net sales	250,895,000	241,899,000	731,507,000	698,951,000
Gasoline
Segment Reporting Information By Segment [Line Items]
Net sales	129,345,000	169,580,000	372,413,000	458,052,000
Grocery sales
Segment Reporting Information By Segment [Line Items]
Net sales	$ 911,698,000	$ 938,386,000	$ 2,717,538,000	$ 2,756,920,000

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- Definition

Segment Reporting Information By Segment [Line Items]

+ References

No definition available.

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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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