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v2.4.1.9

Guarantor Financial Information Guarantor Financial Information Condensed Consolidating Statements of Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Jan. 03, 2015 | Sep. 27, 2014 | Jun. 28, 2014 | Mar. 29, 2014 | Dec. 28, 2013 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Jan. 03, 2015 | Dec. 28, 2013 | Dec. 29, 2012
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | $ 68,788 us-gaap_ProfitLoss | $ 15,954 us-gaap_ProfitLoss | $ 34,575 us-gaap_ProfitLoss | $ (51,006)us-gaap_ProfitLoss |  |  |  |  | $ 68,311 us-gaap_ProfitLoss | $ 108,967 us-gaap_ProfitLoss | $ 130,770 us-gaap_ProfitLoss
Net income/(loss) | 69,943 us-gaap_NetIncomeLoss | 14,318 us-gaap_NetIncomeLoss | 32,757 us-gaap_NetIncomeLoss | (52,803)us-gaap_NetIncomeLoss | 22,493 us-gaap_NetIncomeLoss | 27,651 us-gaap_NetIncomeLoss | 26,418 us-gaap_NetIncomeLoss | 32,405 us-gaap_NetIncomeLoss | 64,215 us-gaap_NetIncomeLoss | 108,967 us-gaap_NetIncomeLoss | 130,770 us-gaap_NetIncomeLoss
Foreign currency translation |  |  |  |  |  |  |  |  | (125,884)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent | (14,502)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent | 0 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
Pension adjustments |  |  |  |  |  |  |  |  | (20,381)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent | 15,140 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent | (1,169)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent
Total other comprehensive income, net of tax |  |  |  |  |  |  |  |  | (147,637)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 1,906 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | (425)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Total comprehensive income/(loss) |  |  |  |  |  |  |  |  | (79,326)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 110,873 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 130,345 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Comprehensive income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 6,200 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Comprehensive income/(loss) attributable to Darling |  |  |  |  |  |  |  |  | (73,126)us-gaap_ComprehensiveIncomeNetOfTax | 110,873 us-gaap_ComprehensiveIncomeNetOfTax | 130,345 us-gaap_ComprehensiveIncomeNetOfTax
Natural Gas Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | (113)us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember | 127 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember | 391 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember
Corn Option [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | (1,259)us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember | 1,141 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember | 194 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember
Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | 159 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember
Issuer [Member] |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | 68,311 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 108,967 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 130,770 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net income/(loss) |  |  |  |  |  |  |  |  | 64,215 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 108,967 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 130,770 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Foreign currency translation |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Pension adjustments |  |  |  |  |  |  |  |  | (11,844)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 15,060 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (1,169)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Total other comprehensive income, net of tax |  |  |  |  |  |  |  |  | (13,216)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 16,328 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (425)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Total comprehensive income/(loss) |  |  |  |  |  |  |  |  | 55,095 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Comprehensive income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Comprehensive income/(loss) attributable to Darling |  |  |  |  |  |  |  |  | 55,095 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 125,295 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 130,345 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Issuer [Member] | Natural Gas Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | (113)us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 127 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 391 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Issuer [Member] | Corn Option [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | (1,259)us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,141 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 194 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Issuer [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  |  |  | 159 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Guarantors [Member] |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | 155,250 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 107,317 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 121,321 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Net income/(loss) |  |  |  |  |  |  |  |  | 155,250 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 107,317 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 121,321 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Foreign currency translation |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Pension adjustments |  |  |  |  |  |  |  |  | (34)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Total other comprehensive income, net of tax |  |  |  |  |  |  |  |  | (34)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Total comprehensive income/(loss) |  |  |  |  |  |  |  |  | 155,216 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |
Comprehensive income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |
Comprehensive income/(loss) attributable to Darling |  |  |  |  |  |  |  |  | 155,216 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 107,317 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 121,321 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Guarantors [Member] | Natural Gas Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Guarantors [Member] | Corn Option [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Guarantors [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Non-guarantors [Member] |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | 68,540 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (2,139)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (1,368)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Net income/(loss) |  |  |  |  |  |  |  |  | 68,540 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (2,139)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (1,368)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Foreign currency translation |  |  |  |  |  |  |  |  | (125,884)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (14,502)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Pension adjustments |  |  |  |  |  |  |  |  | (8,503)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 80 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Total other comprehensive income, net of tax |  |  |  |  |  |  |  |  | (134,387)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (14,422)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Total comprehensive income/(loss) |  |  |  |  |  |  |  |  | (65,847)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Comprehensive income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 6,200 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Comprehensive income/(loss) attributable to Darling |  |  |  |  |  |  |  |  | (59,647)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (16,561)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (1,368)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Non-guarantors [Member] | Natural Gas Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Non-guarantors [Member] | Corn Option [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Non-guarantors [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  |  |  | (223,790)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (105,178)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (119,953)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Net income/(loss) |  |  |  |  |  |  |  |  | (223,790)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (105,178)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (119,953)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Foreign currency translation |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |
Pension adjustments |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Total other comprehensive income, net of tax |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Total comprehensive income/(loss) |  |  |  |  |  |  |  |  | (223,790)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Comprehensive income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 0 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Comprehensive income/(loss) attributable to Darling |  |  |  |  |  |  |  |  | (223,790)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (105,178)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (119,953)us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Eliminations [Member] | Natural Gas Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_NaturalGasSwapMember / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Eliminations [Member] | Corn Option [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = dar_CornOptionMember / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Eliminations [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Total natural gas derivatives |  |  |  |  |  |  |  |  |  |  | $ 0 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=35737396 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 + Details
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