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INVENTORIES (Details) (USD $)
In Millions, unless otherwise specified
Jan. 29, 2012
May 01, 2011
Inventory [Line Items]    
Livestock $ 978.5 $ 963.9
Fresh and packaged meats 913.6 854.1
Grains 115.4 89.8
Manufacturing supplies 63.5 60.0
Other 50.7 52.1
Total inventories $ 2,121.7 $ 2,019.9