Segment Reporting (Detail) - Major segments of the business (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 16, 2012	Jun. 18, 2011	Jun. 16, 2012	Jun. 18, 2011
Sales from external customers	$ 1,092,798	$ 1,099,575	$ 2,151,432	$ 2,199,384
Segment profit	16,477	21,122	29,950	38,130
Military [Member]
Sales from external customers	523,212	529,141	1,054,508	1,066,581
Segment profit	8,570	11,285	19,044	23,432
Food Distribution [Member]
Sales from external customers	433,133	459,465	857,712	909,772
Inter-segment sales	71,793	55,313	123,663	110,235
Segment profit	5,517	7,709	7,855	13,554
Retail [Member]
Sales from external customers	136,453	110,969	239,212	223,031
Segment profit	2,390	2,128	3,051	1,144
Elimination [Member]
Inter-segment sales	$ (71,793)	$ (55,313)	$ (123,663)	$ (110,235)

Amount of revenue from external customers for the reportable segment. Such disclosure is presented if the amount is: (a) included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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

- Definition

Amount of revenue from transactions with other operating segments of the same entity.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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

- Definition

Amount of profit or loss recognized by the reportable segment.

+ References

No definition available.

+ Details

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