Leases - Sale Leaseback (Details) $ in Thousands	3 Months Ended	6 Months Ended
Aug. 27, 2022 USD ($) store facility	Aug. 28, 2021 USD ($) facility	Aug. 27, 2022 USD ($) store facility	Aug. 28, 2021 USD ($) facility
Sale Leaseback Transaction [Line Items]
Number of facilities in sale/leaseback \| facility	3	2	3	4
Number of stores sold \| store	1		1
Sale/leaseback proceeds	$ 45,986	$ 6,729	$ 45,986	$ 14,185
Leaseback term		15 years		15 years
Gain on sale-leaseback transactions	$ 23,313	$ (2,778)	$ 23,313	$ 910
Retail Store
Sale Leaseback Transaction [Line Items]
Leaseback term	15 years		15 years
Distribution Center
Sale Leaseback Transaction [Line Items]
Leaseback term	3 years		3 years

Represents the number of stores sold or disposed.

No definition available.

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

- Definition

The number of facilities involved in the sale and leaseback transaction.

+ References

No definition available.

+ Details

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

- Definition

The minimum lease term for the leaseback of assets under the sale/leaseback transaction.

+ References

No definition available.

+ Details

Name:	rad_SaleLeasebackTransactionLeasebackMinimumLeaseTerm
Namespace Prefix:	rad_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The net proceeds from the sale of assets in the sale/leaseback transaction.

+ References

No definition available.

+ Details

Name:	rad_SaleLeasebackTransactionPrice
Namespace Prefix:	rad_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 40
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123417830&loc=SL77919786-209982

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

+ Details

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

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=rad_RetailStoreMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=rad_DistributionCenterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: