XML 31 R67.htm IDEA: XBRL DOCUMENT v2.4.1.9
CONTINGENCIES (Details) (USD $)
 3 Months Ended 6 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 12 Months Ended
Nov. 23, 2014
Aug. 24, 2014
May 25, 2014
May 26, 2013
Aug. 26, 2012
Nov. 23, 2014
Nov. 24, 2013
May 25, 2014
May 30, 2009
May 26, 2013
May 27, 2012
Apr. 30, 2010
employee
Nov. 24, 2013
Feb. 24, 2013
May 31, 2015
Jan. 27, 2014
Guarantor Obligations [Line Items]                                
Loan purchase under agreement       $ 40,800,000cag_LoanPurchaseUnderAgreement           $ 40,800,000cag_LoanPurchaseUnderAgreement            
Asset impairment charges           250,400,000us-gaap_AssetImpairmentCharges 14,800,000us-gaap_AssetImpairmentCharges                  
Face value of federal income tax credits 26,700,000us-gaap_TaxCreditCarryforwardAmount         26,700,000us-gaap_TaxCreditCarryforwardAmount                    
Dispute coverage charge with insurance carrier                 24,800,000us-gaap_LossContingencyLossInPeriod              
Loss Contingency Accrual, Period Increase (Decrease) 1,200,000us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease 5,800,000us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease 6,700,000us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease                          
Proceeds from Legal Settlements     3,500,000us-gaap_ProceedsFromLegalSettlements 25,000,000us-gaap_ProceedsFromLegalSettlements                        
Gain (Loss) Related to Litigation Settlement       25,000,000us-gaap_GainLossRelatedToLitigationSettlement                        
Punitive award against the company         7,000,000us-gaap_LossContingencyDamagesAwardedValue                      
Minimum annual payments to third party               2,500,000cag_Minimumannualpaymentstothirdparty                
Litigation Matter                                
Guarantor Obligations [Line Items]                                
Dispute coverage charge with insurance carrier                   7,500,000us-gaap_LossContingencyLossInPeriod
/ cag_ContingenciesLitigationAxis
= cag_LitigationMatterMember		 17,500,000us-gaap_LossContingencyLossInPeriod
/ cag_ContingenciesLitigationAxis
= cag_LitigationMatterMember		          
Compensatory Damages                                
Guarantor Obligations [Line Items]                                
Unfavorable verdict         77,500,000cag_UnfavorableVerdict
/ cag_CommitmentsAndContingenciesAxis
= cag_CompensatoryDamagesMember		                      
Punitive Damages                                
Guarantor Obligations [Line Items]                                
Unfavorable verdict         100,000,000cag_UnfavorableVerdict
/ cag_CommitmentsAndContingenciesAxis
= cag_PunitiveDamagesMember		                      
Beatrice                                
Guarantor Obligations [Line Items]                                
Number of sites under environmental matters for which acquired company has a liability           37cag_EnvironmentalLossContingenciesNumberOfSitesUnderEnvironmentalMattersForWhichAcquiredCompanyHasLiability
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_BeatriceMember		                    
Number of sites under environmental matters for which acquired company is making payments           33cag_EnvironmentalLossContingenciesNumberOfSitesUnderEnvironmentalMattersForWhichAcquiredCompanyIsMakingPayments
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_BeatriceMember		                    
Reserves for Beatrice environmental matters 57,000,000us-gaap_AccrualForEnvironmentalLossContingencies
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_BeatriceMember		         57,000,000us-gaap_AccrualForEnvironmentalLossContingencies
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_BeatriceMember		                    
Maximum period expected for disbursements on environmental matters           18 years                    
Potato Supply Agreement Guarantee                                
Guarantor Obligations [Line Items]                                
Amount of supplier loans effectively guaranteed 17,800,000cag_AmountOfSupplierLoansEffectivelyGuaranteed
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_PotatoSupplyAgreementGuaranteeMember		         17,800,000cag_AmountOfSupplierLoansEffectivelyGuaranteed
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_PotatoSupplyAgreementGuaranteeMember		                    
Onion Supply Agreement Guarantee                                
Guarantor Obligations [Line Items]                                
Guarantee obligation under purchase agreement 25,000,000us-gaap_GuaranteeObligationsMaximumExposure
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_OnionSupplyAgreementGuaranteeMember		         25,000,000us-gaap_GuaranteeObligationsMaximumExposure
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_OnionSupplyAgreementGuaranteeMember		                    
Leases and Other Commercial Obligations Guarantee                                
Guarantor Obligations [Line Items]                                
Maximum period of guarantee (less than a year)           1 year                    
Guarantee obligation under purchase agreement 4,100,000us-gaap_GuaranteeObligationsMaximumExposure
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_LeasesAndOtherCommercialObligationsGuaranteeMember		         4,100,000us-gaap_GuaranteeObligationsMaximumExposure
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_LeasesAndOtherCommercialObligationsGuaranteeMember		                    
Threatened Litigation | Damage from Fire, Explosion or Other Hazard                                
Guarantor Obligations [Line Items]                                
Loss Contingency, Number of Plaintiffs         3us-gaap_LossContingencyNumberOfPlaintiffs
/ us-gaap_LitigationStatusAxis
= us-gaap_ThreatenedLitigationMember
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_DamageFromFireExplosionOrOtherHazardMember		                      
Subcontractor | Pending Litigation | Damage from Fire, Explosion or Other Hazard                                
Guarantor Obligations [Line Items]                                
Loss Contingency, Number of Plaintiffs                       2us-gaap_LossContingencyNumberOfPlaintiffs
/ cag_ContractorTypeAxis
= cag_SubcontractorMember
/ us-gaap_LitigationStatusAxis
= us-gaap_PendingLitigationMember
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_DamageFromFireExplosionOrOtherHazardMember		        
Primary Contractor | Pending Litigation | Damage from Fire, Explosion or Other Hazard                                
Guarantor Obligations [Line Items]                                
Loss Contingency, Number of Plaintiffs                       1us-gaap_LossContingencyNumberOfPlaintiffs
/ cag_ContractorTypeAxis
= cag_PrimaryContractorMember
/ us-gaap_LitigationStatusAxis
= us-gaap_PendingLitigationMember
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_DamageFromFireExplosionOrOtherHazardMember		        
California | Beatrice                                
Guarantor Obligations [Line Items]                                
Expected decision from court                               1,150,000,000us-gaap_LossContingencyRangeOfPossibleLossMaximum
/ us-gaap_GuaranteeObligationsByNatureAxis
= cag_BeatriceMember
/ us-gaap_StatementGeographicalAxis
= stpr_CA
Commercial Foods                                
Guarantor Obligations [Line Items]                                
Asset impairment charges                         8,900,000us-gaap_AssetImpairmentCharges
/ us-gaap_StatementBusinessSegmentsAxis
= cag_CommercialFoodsMember		 10,200,000us-gaap_AssetImpairmentCharges
/ us-gaap_StatementBusinessSegmentsAxis
= cag_CommercialFoodsMember		    
Gain on sale of land     5,100,000cag_Gainonsaleofland
/ us-gaap_StatementBusinessSegmentsAxis
= cag_CommercialFoodsMember		                          
Scenario, Forecast                                
Guarantor Obligations [Line Items]                                
Estimate of annual payment to third party in 2015                             $ 6,000,000cag_Estimateofannualpaymenttothirdpartyin2015
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember