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DISPOSAL OF LONG-LIVED ASSETS Narrative (Details) (Packaged Meats Segment [Member], Portsmouth, Virginia Plant, USD $)
In Millions, unless otherwise specified
12 Months Ended
Apr. 28, 2013
Apr. 29, 2012
Packaged Meats Segment [Member] | Portsmouth, Virginia Plant
   
Accelerated Depreciation $ 4.4us-gaap_RestructuringReserveAcceleratedDepreciation
/ us-gaap_RestructuringCostAndReserveAxis
= sfd_PortsmouthVirginiaPlantMember
/ us-gaap_StatementBusinessSegmentsAxis
= sfd_PackagedMeatsSegmentMember
$ 3.3us-gaap_RestructuringReserveAcceleratedDepreciation
/ us-gaap_RestructuringCostAndReserveAxis
= sfd_PortsmouthVirginiaPlantMember
/ us-gaap_StatementBusinessSegmentsAxis
= sfd_PackagedMeatsSegmentMember
Inventory Write-down   0.8us-gaap_InventoryWriteDown
/ us-gaap_RestructuringCostAndReserveAxis
= sfd_PortsmouthVirginiaPlantMember
/ us-gaap_StatementBusinessSegmentsAxis
= sfd_PackagedMeatsSegmentMember
Severance Costs   $ 0.6us-gaap_SeveranceCosts1
/ us-gaap_RestructuringCostAndReserveAxis
= sfd_PortsmouthVirginiaPlantMember
/ us-gaap_StatementBusinessSegmentsAxis
= sfd_PackagedMeatsSegmentMember