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

Represents the second level of employee contributions (percentage of pretax annual compensation) which are matched by the employer.

No definition available.

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

Represents the employer matching contribution of the first level of employee contributions.

No definition available.

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

Represents the employer matching contribution of the second level of employee contributions.

No definition available.

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

Amount of contribution received by defined benefit plan from employer which increases plan assets.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
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-Publisher FASB
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Name:	us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of cost for defined contribution plan.

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Name:	us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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