Segment Reporting (Detail) - Major segments of the business (USD $) In Thousands, unless otherwise specified	4 Months Ended	9 Months Ended
Oct. 06, 2012	Oct. 08, 2011	Oct. 06, 2012	Oct. 08, 2011
Sales from external customers	$ 1,496,343	$ 1,471,357	$ 3,647,775	$ 3,670,741
Inter-segment sales
Segment profit	29,238	22,633	59,188	60,763
Military [Member]
Sales from external customers	708,059	709,720	1,762,567	1,776,301
Inter-segment sales
Segment profit	10,322	14,666	29,366	38,098
Food Distribution [Member]
Sales from external customers	546,095	620,118	1,403,807	1,529,890
Inter-segment sales	126,050	72,358	249,713	182,593
Segment profit	11,191	6,177	19,046	19,731
Retail [Member]
Sales from external customers	242,189	141,519	481,401	364,550
Inter-segment sales
Segment profit	7,725	1,790	10,776	2,934
Elimination [Member]
Sales from external customers
Inter-segment sales	(126,050)	(72,358)	(249,713)	(182,593)
Segment profit

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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- 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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