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Commitments And Contingencies (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended 1 Months Ended
Nov. 23, 2014
Oct. 31, 2014
plaintiff
Sep. 30, 2014
plaintiff
Jul. 31, 2013
plaintiff
Sep. 30, 2013
plaintiff
Nov. 30, 2014
plaintiff
May 25, 2014
Loss Contingencies [Line Items]              
Description of lessor leasing arrangement, operating leases fiscal 2015 through fiscal 2044            
Alequin v. Darden Restaurants, Inc.              
Loss Contingencies [Line Items]              
Number of original opt-In notices distributed       217,000dri_LossContingencyNumberofPotentialPlaintiffs
/ us-gaap_LitigationCaseAxis
= dri_Case1Member
     
Number of plaintiffs     54us-gaap_LossContingencyNumberOfPlaintiffs
/ us-gaap_LitigationCaseAxis
= dri_Case1Member
20,225us-gaap_LossContingencyNumberOfPlaintiffs
/ us-gaap_LitigationCaseAxis
= dri_Case1Member
     
Number of plaintiffs granted joint motion to stay   49dri_LossContingencyNumberofPlaintiffsGrantedJointMotionToStay
/ us-gaap_LitigationCaseAxis
= dri_Case1Member
         
ChHab v. Darden Restaurants, Inc.              
Loss Contingencies [Line Items]              
Number of original opt-In notices distributed         3,200dri_LossContingencyNumberofPotentialPlaintiffs
/ us-gaap_LitigationCaseAxis
= dri_Case2Member
   
Number of plaintiffs         541us-gaap_LossContingencyNumberOfPlaintiffs
/ us-gaap_LitigationCaseAxis
= dri_Case2Member
   
Workers Compensation and General Liabilities Accrued              
Loss Contingencies [Line Items]              
Standby letters of credit 124.2us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= dri_WorkersCompensationAndGeneralLiabilitiesAccruedMember
          $ 113.5us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= dri_WorkersCompensationAndGeneralLiabilitiesAccruedMember
Operating Lease Obligation              
Loss Contingencies [Line Items]              
Standby letters of credit 13.9us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= dri_OperatingLeaseObligationMember
          17.8us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= dri_OperatingLeaseObligationMember
Property Lease Guarantee              
Loss Contingencies [Line Items]              
Guarantees associated with leased properties 139.0us-gaap_LossContingencyRangeOfPossibleLossMaximum
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_PropertyLeaseGuaranteeMember
          3.4us-gaap_LossContingencyRangeOfPossibleLossMaximum
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_PropertyLeaseGuaranteeMember
Fair value of potential payments discounted at pre-tax cost of capital related to guarantee obligations 106.1us-gaap_GuaranteesFairValueDisclosure
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_PropertyLeaseGuaranteeMember
          $ 2.7us-gaap_GuaranteesFairValueDisclosure
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_PropertyLeaseGuaranteeMember
Subsequent Event | Alequin v. Darden Restaurants, Inc.              
Loss Contingencies [Line Items]              
Number of plaintiffs dismissed           5dri_LossContingencyNumberofPlaintiffsDismissed
/ us-gaap_LitigationCaseAxis
= dri_Case1Member
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember