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
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

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.

+ References

No definition available.

+ Details

Name:	rad_NumberOfSimilarCases
Namespace Prefix:	rad_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

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.

+ References

No definition available.

+ Details

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

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

+ Details

Name:	us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_LitigationCaseAxis=rad_WalgreensBootsAllianceIncAndVictoriaMergerSubInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_StatementGeographicalAxis=stpr_DE
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=stpr_PA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=rad_DelawareAndPennsylvaniaMember
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Commitments, Contingencies and Guarantees (Details) $ in Millions			12 Months Ended
	Feb. 27, 2016 case StoreManager	Dec. 23, 2015 case	Feb. 27, 2016 USD ($) case StoreManager
WBA Merger
Commitments and contingencies
Number of lawsuits	10
Indergit
Commitments and contingencies
Number of current and former store managers court ordered notices to be sent \| StoreManager	7,000		7,000
Number of current and former store managers who joined the action \| StoreManager	1,550		1,550
Number of current and former store managers to whom notices will be sent after the Court approval \| StoreManager	1,750		1,750
Chase and Scherwin and Kyle
Commitments and contingencies
Legal settlement amount \| $			$ 9.0
Hall
Commitments and contingencies
Number of similar cases			2
DELAWARE
Commitments and contingencies
Number of lawsuits		8
DELAWARE \| WBA Merger
Commitments and contingencies
Number of lawsuits	8
PENNSYLVANIA \| WBA Merger
Commitments and contingencies
Number of lawsuits	1
DELAWARE AND PENNSYLVANIA \| WBA Merger
Commitments and contingencies
Number of lawsuits			9