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v2.4.1.9

Segment Information (Details) (USD $) | 12 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2014 segment | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2014 | Sep. 27, 2014 MW | Mar. 30, 2013 | Sep. 28, 2013 | Dec. 31, 2010
Segment Information |  |  |  |  |  |  |  |
Number of reportable segments | 6 us-gaap_NumberOfReportableSegments |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |
One-time Federal blender's credits recognized as revenue | $ 15,450,000 seb_IncomeTaxesFederalBlendersOneTimeTaxCreditRecognizedAsRevenue |  |  | $ 15,450,000 seb_IncomeTaxesFederalBlendersOneTimeTaxCreditRecognizedAsRevenue |  | $ 11,260,000 seb_IncomeTaxesFederalBlendersOneTimeTaxCreditRecognizedAsRevenue |  |
Income (loss) from affiliates | 35,356,000 us-gaap_IncomeLossFromEquityMethodInvestments | (10,292,000)us-gaap_IncomeLossFromEquityMethodInvestments | 30,707,000 us-gaap_IncomeLossFromEquityMethodInvestments |  |  |  |  |
Gain on sale of assets | 4,953,000 us-gaap_GainLossOnSaleOfPropertyPlantEquipment |  |  |  |  |  |  |
Bakery business | Democratic Republic of Congo |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |
Remaining percent of ownership |  |  |  |  |  |  | 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / invest_InvestmentGeographicRegionAxis = country_CD / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = seb_BakeryBusinessMember | 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / invest_InvestmentGeographicRegionAxis = country_CD / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = seb_BakeryBusinessMember
Pork segment |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |
Remaining percent of ownership | 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_StatementBusinessSegmentsAxis = seb_PorkSegmentMember |  |  | 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_StatementBusinessSegmentsAxis = seb_PorkSegmentMember | 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_StatementBusinessSegmentsAxis = seb_PorkSegmentMember |  |  |
One-time Federal blender's credits recognized as revenue | 15,450,000 seb_IncomeTaxesFederalBlendersOneTimeTaxCreditRecognizedAsRevenue / us-gaap_StatementBusinessSegmentsAxis = seb_PorkSegmentMember |  |  | 15,450,000 seb_IncomeTaxesFederalBlendersOneTimeTaxCreditRecognizedAsRevenue / us-gaap_StatementBusinessSegmentsAxis = seb_PorkSegmentMember |  | 11,260,000 seb_IncomeTaxesFederalBlendersOneTimeTaxCreditRecognizedAsRevenue / us-gaap_StatementBusinessSegmentsAxis = seb_PorkSegmentMember |  |
Income (loss) from affiliates | 3,690,000 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = seb_PorkSegmentMember |  |  |  |  |  |  |
Pork segment | Triumph |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |
Percentage of ownership interest sold |  |  |  |  | 50.00%seb_PercentageOfOwnershipInterestSold / dei_LegalEntityAxis = seb_TriumphFoodsLlcMember / us-gaap_StatementBusinessSegmentsAxis = seb_PorkSegmentMember |  |  |
Commodity Trading and Milling |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |
Income (loss) from affiliates | (23,740,000)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = seb_CommodityTradingAndMillingMember | (639,000)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = seb_CommodityTradingAndMillingMember | 10,467,000 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = seb_CommodityTradingAndMillingMember |  |  |  |  |
Commodity Trading and Milling | Bakery business | Democratic Republic of Congo |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |
Write-down in loss from affiliate |  |  |  | 10,772,000 us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment / invest_InvestmentGeographicRegionAxis = country_CD / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = seb_BakeryBusinessMember / us-gaap_StatementBusinessSegmentsAxis = seb_CommodityTradingAndMillingMember |  |  |  |
Power |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |
Capacity of power facility leased (in megawatts) |  |  |  |  | 72 seb_CapacityOfFloatingPowerGeneratingFacilityLeased / us-gaap_StatementBusinessSegmentsAxis = seb_PowerMember |  |  |
Portion of sales price remaining in escrow |  |  |  |  | 1,500,000 us-gaap_EscrowDeposit / us-gaap_StatementBusinessSegmentsAxis = seb_PowerMember |  |  |
Gain on sale of assets |  |  |  |  | 4,953,000 us-gaap_GainLossOnSaleOfPropertyPlantEquipment / us-gaap_StatementBusinessSegmentsAxis = seb_PowerMember |  |  |
Turkey |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |
Income (loss) from affiliates | 54,668,000 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = seb_TurkeyMember | (10,267,000)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = seb_TurkeyMember | 20,152,000 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = seb_TurkeyMember |  |  |  |  |
Operating income (loss) | 140,990,000 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromContinuingOperationsBeforeExtraordinaryItems / us-gaap_StatementBusinessSegmentsAxis = seb_TurkeyMember | 4,892,000 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromContinuingOperationsBeforeExtraordinaryItems / us-gaap_StatementBusinessSegmentsAxis = seb_TurkeyMember | 65,694,000 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromContinuingOperationsBeforeExtraordinaryItems / us-gaap_StatementBusinessSegmentsAxis = seb_TurkeyMember |  |  |  |  |
Turkey | Butterball, LLC |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |
Proportionate share of impairment charges of fixed assets recognized in loss from affiliate |  | $ (3,662,000)us-gaap_AssetImpairmentCharges / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = seb_ButterballLLCMember / us-gaap_StatementBusinessSegmentsAxis = seb_TurkeyMember |  |  |  |  |  |

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