The number of fixed lease payments.

No definition available.

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

- Definition

The period in arrears during which rebates are dispensed to clients.

+ References

No definition available.

+ Details

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

- Definition

Represents period after end of quarter during which rebates are dispensed to manufacturers, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

- Definition

The minimum occurrence for which stop-loss coverage is maintained under the self-insurance arrangement for general liability.

+ References

No definition available.

+ Details

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

- Definition

The minimum occurrence for which stop-loss coverage is maintained under the self-insurance arrangement for workers' compensation.

+ References

No definition available.

+ Details

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

- Definition

n/a

+ References

No definition available.

+ Details

Name:	rad_VendorRebatesAndAllowancesAndPurchaseDiscountsAbstract
Namespace Prefix:	rad_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 720
-SubTopic 35
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483406/720-35-50-1

+ Details

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

- References

No definition available.

+ Details

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

- References

No definition available.

+ Details

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

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

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

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=rad_PharmacyServicesMember
Namespace Prefix:
Data Type:	na
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Period Type:

Summary of Significant Accounting Policies - Cost of Revenue thru Estimates (Details) $ in Thousands	12 Months Ended
	Mar. 04, 2023 USD ($) item	Feb. 26, 2022 USD ($)	Feb. 27, 2021 USD ($)
Leases
Maximum additional period for lease extension	5 years
Number of fixed lease payment \| item	1
Advertising
Advertising expenses, net of vendor advertising allowances	$ 133,379	$ 146,085	$ 122,725
Insurance
Self-insurance, minimum occurrence, workers' compensation	1,000
Self-insurance, minimum occurrence, general liability	$ 3,000
Pharmacy Services Segment
Vendor Rebates and Allowances and Purchase Discounts
Period for rebates dispensed to manufacturers	30 days
Rebates paid to clients, period in arrears	8 months