Name:	rad_MultiemployerPlanPercentageContributionOverWhichContributed
Namespace Prefix:	rad_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the minimum contribution(s) as a percentage of gross wages earned per associate, required for future periods relating to a multiemployer plan by collective bargaining arrangements, statutory obligations, or other contractual obligations.

No definition available.

Name:	rad_MultiemployerPlansMinimumContributionPercentage
Namespace Prefix:	rad_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the minimum contribution(s) per hour worked per associate, required for future periods relating to a multiemployer plan by collective bargaining arrangements, statutory obligations, or other contractual obligations.

No definition available.

Name:	rad_MultiemployerPlansMinimumContributionRate
Namespace Prefix:	rad_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

Represents the minimum contribution(s) per hour worked for non pharmacists associate, required for future periods relating to a multiemployer plan by collective bargaining arrangements, statutory obligations, or other contractual obligations.

No definition available.

Name:	rad_MultiemployerPlansMinimumContributionRateForNonPharmacists
Namespace Prefix:	rad_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

Amount of contributions made to multiemployer plan by employer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

Name:	us-gaap_MultiemployerPlanContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_MultiemployerPlansLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_MultiemployerPlanTypeAxis=rad_SEIUHealthCareEmployeesPensionFund1199Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_MultiemployerPlanTypeAxis=rad_SouthernCaliforniaUnitedFoodAndCommercialWorkersUnionsAndDrugEmployersPensionFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_MultiemployerPlanTypeAxis=rad_UFCWPharmacistsClerksAndDrugEmployersPensionTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_MultiemployerPlanTypeAxis=rad_UnitedFoodAndCommercialWorkersUnionEmployerPensionFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_MultiemployerPlanTypeAxis=rad_UnitedFoodAndCommercialWorkersUnionLocal880MercantileEmployersJointPensionFundMember
Namespace Prefix:
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