Commitments, Contingencies and Guarantees (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 28, 2015
Indergit
Commitments and contingencies
Number of current and former store managers court ordered notices to be sent	7,000
Number of current and former store managers who joined the action	1,550
Number of current and former store managers to whom notices will be sent after the Court approval	1,750
Chase and Scherwin and Kyle
Commitments and contingencies
Legal settlement amount	$ 9.0
Hall
Commitments and contingencies
Number of similar cases	2

Represents the number of current and former store managers court ordered notices to be sent.

No definition available.

Name:	rad_NumberOfCurrentAndFormerStoreManagersCourtOrderNoticesSent
Namespace Prefix:	rad_
Data Type:	xbrli:integerItemType
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Period Type:	instant

Represents the number of current and former store managers who have joined the legal action.

No definition available.

Name:	rad_NumberOfCurrentAndFormerStoreManagersJoinedToAction
Namespace Prefix:	rad_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the number of current and former store managers to whom notices will be sent after the Court approves motion.

No definition available.

Name:	rad_NumberOfCurrentAndFormerStoreManagersToWhomNoticesWillBeSentAfterCourtApproval
Namespace Prefix:	rad_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the number of similar cases in the court system that are pending a decision that may affect the outcome of a legal motion of the entity.

No definition available.

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

No definition available.

Name:	us-gaap_LitigationSettlementAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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Name:	us-gaap_LitigationCaseAxis=rad_ChaseAndScherwinAndKyleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LitigationCaseAxis=rad_HallMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LitigationCaseAxis=rad_IndergitMember
Namespace Prefix:
Data Type:	na
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