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EQUITY Share Repurchase Program (Details) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended 1 Months Ended 12 Months Ended 23 Months Ended
Apr. 28, 2013
Apr. 29, 2012
May 01, 2011
Jul. 31, 2012
Smithfield Foods Share Repurchase Program [Member]
Jun. 30, 2012
Smithfield Foods Share Repurchase Program [Member]
Apr. 28, 2013
Smithfield Foods Share Repurchase Program [Member]
Apr. 29, 2012
Smithfield Foods Share Repurchase Program [Member]
Apr. 28, 2013
Smithfield Foods Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]                
Stock Repurchase Program, Authorized Amount         $ 250.0   $ 250.0  
Stock Repurchase Program, Period in Force         24 months      
Stock Repurchase Program, Increase to Authorized Amount       100.0        
Common stock repurchased, shares           19,068,079   28,244,783
Repurchase of common stock $ (386.4) $ (189.5) $ 0     $ (386.4)   $ (575.9)
Stock Repurchased During Period, Average Price Per Share               $ 20.38