Business Segments and Related Information (Details Textuals) (USD $)	12 Months Ended
May 29, 2011	May 30, 2010	May 31, 2009
Business Segments and Related Information (Textuals) [Abstract]
Derivative gain to be reclassified to segment operating results in fiscal year 2012	$ 33,700,000
Derivative loss to be reclassified to segment operating results in fiscal year 2013	2,100,000
Derivative loss of previous year included in derivative loss to be reclassified to segment operating results			3,000,000
Percentage of consolidated net sales in consumer food segment accounted by Wal-Mart Stores, Inc. and its affiliates	18.00%	18.00%	17.00%
Percentage of consolidated net receivables accounted by Wal-Mart Stores, Inc. and its affiliates	15.00%	16.00%
Number of reportable segment	2
Number of Employees	23,200
Percentage of employees in party to collective bargaining agreements	48.00%
Percentage of employees in party to collective bargaining agreements schedule to expire in current year	40.00%
Foreign net sales, including sales by domestic segments to customers	$ 1,400,000,000	$ 1,300,000,000	$ 1,300,000,000

Business segments and related information.

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Derivative Gain To Be Reclassified To Segment Operating Results Current Fiscal Year

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Derivative Loss Of Previous Year Included In Derivative Loss To Be Reclassified To Segment Operating Results.

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Derivative Loss To Be Reclassified To Segment Operating Results Next Fiscal Year.

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Entity wide receivables major customer amount in percentage.

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Entity wide revenue major customer amount in percentage.

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Number of Employees.

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Number of reportable segment.

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Percentage of employees in party to collective bargaining agreements.

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Percentage of employees in party to collective bargaining agreements schedule to expire in current year.

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- Definition

Revenues from external customers attributed to all foreign countries in total from which the entity derives revenues.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 38
-Subparagraph a(2)
-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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599

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