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INVESTMENTS Narrative (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 28, 2014
Apr. 29, 2012
Other Equity Method Investments    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment, Additional Information Various  
Campofrio Food Group    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment, Additional Information International  
Equity Method Investment, Ownership Percentage 37.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= sfd_CampofrioFoodGroupMember		  
Entity Portion of Equity Method Investment Restructuring Charges   $ 38.7sfd_EntityPortionOfEquityMethodInvestmentRestructuringCharges
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= sfd_CampofrioFoodGroupMember