Name:	rad_AdditionalAmountOfSecuredAndUnsecuredDebtIncurredUnderCovenantsCompliance
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Name:	rad_CreditFacilityAbstract
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Balance Type:	na
Period Type:	duration

The high end of the range of the percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	rad_DebtInstrumentBasisSpreadOnVariableRateHighEndOfRange
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The low end of the range of the percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	rad_DebtInstrumentBasisSpreadOnVariableRateLowEndOfRange
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The amount of penalty paid as of the balance sheet date on the outstanding amount of borrowing.

No definition available.

Name:	rad_DebtInstrumentPercentageOfPenaltyOnOutstandingPrincipalAmount
Namespace Prefix:	rad_
Data Type:	num:percentItemType
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Period Type:	instant

Represents the percentage of prepayment fee in the event it is refinanced within the first year after issuance.

No definition available.

Name:	rad_DebtInstrumentPercentageOfPrepaymentFeeSubjectToRefinanceWithinFirstYearAfterIssuance
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the floor for the reference rate used to compute the variable rate on the debt instrument.

No definition available.

Name:	rad_DebtInstrumentVariableRateBasisFloor
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Name:	rad_IndebtednessAndCreditAgreementsLineItems
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Balance Type:	na
Period Type:	duration

Represents the number of days past the later possible maturity date of the line of credit facility that the associated term loan must be extended for an earlier line of credit facility maturity date not to be in effect.

No definition available.

Name:	rad_LineOfCreditFacilityMinimumNumberOfDaysTermLoanMaturityMustExtendBeyond
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

The low end of the range of the amount of borrowing capacity currently available under the credit facility that is required before debt may be repaid, or refinanced, as defined in the line of credit agreement.

No definition available.

Name:	rad_LineOfCreditFacilityRemainingBorrowingCapacityRequiredForRepaymentOrRefinancingLowEndOfRange
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the threshold amount of availability on the revolving credit facility, below which the entity is required to maintain a specified minimum fixed charge coverage ratio per the covenant terms.

No definition available.

Name:	rad_LineOfCreditFacilityThresholdAmountOfAvailabilityForFixedChargeCoverageRequirements
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

High end of the range for fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

No definition available.

Name:	rad_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentageHighEndOfRange
Namespace Prefix:	rad_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Low end of the range for fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

No definition available.

Name:	rad_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentageLowEndOfRange
Namespace Prefix:	rad_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Amount of long-term debt maturing after the fourth full fiscal year following the date of the latest balance sheet presented in the financial statements.

No definition available.

Name:	rad_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterFourthFullFiscalYear
Namespace Prefix:	rad_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of long-term debt maturing within the first full fiscal year following the date of the latest balance sheet presented in the financial statements.

No definition available.

Name:	rad_LongTermDebtMaturitiesRepaymentsOfPrincipalFirstFullFiscalYear
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of long-term debt maturing within the fourth full fiscal year following the date of the latest balance sheet presented in the financial statements.

No definition available.

Name:	rad_LongTermDebtMaturitiesRepaymentsOfPrincipalFourthFullFiscalYear
Namespace Prefix:	rad_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of long-term debt maturing within the remainder of the fiscal year following the date of the latest balance sheet presented in the financial statements.

No definition available.

Name:	rad_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of long-term debt maturing within the second full fiscal year following the date of the latest balance sheet presented in the financial statements.

No definition available.

Name:	rad_LongTermDebtMaturitiesRepaymentsOfPrincipalSecondFullFiscalYear
Namespace Prefix:	rad_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of long-term debt maturing within the third full fiscal year following the date of the latest balance sheet presented in the financial statements.

No definition available.

Name:	rad_LongTermDebtMaturitiesRepaymentsOfPrincipalThirdFullFiscalYear
Namespace Prefix:	rad_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the maximum amount of accumulated cash on hand allowed at any time there are revolving loans outstanding.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the maximum amount of accumulated cash on hand allowed over three consecutive business days when there are revolving loans outstanding.

No definition available.

Name:	rad_MaximumAmountOfAccumulatedCashOnHandAllowedWithOutstandingRevolvingLoansThreeConsecutiveBusinessDays
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the maximum principal amount in the event of default, if the company fails to make any required payment on the debt.

No definition available.

Name:	rad_MaximumAmountOfDebtDefaultIfEntityFailsToMakeRequiredPayment
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the denominator of minimum fixed charge coverage ratio that must be maintained by the entity under the debt covenants, if borrowing capacity falls below a specified level. It represents the number of times the company can cover its fixed charges per year.

No definition available.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the numerator of minimum fixed charge coverage ratio that must be maintained by the entity under the debt covenants, if borrowing capacity falls below a specified level. It represents the number of times the company can cover its fixed charges per year.

No definition available.

Name:	rad_MinimumFixedChargeCoverageRatioNumerator
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the number of consecutive days over which revolver borrowings and availability are measured to determine limits on accumulation of cash on hand.

No definition available.

Name:	rad_NumberOfConsecutiveBusinessDays
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the number of term loans under the senior secured credit facility.

No definition available.

Name:	rad_NumberOfTermLoansSubjectToSeniorSecuredCreditFacility
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of ownership of subsidiaries held by the entity which guarantee debt obligations of the entity.

No definition available.

Name:	rad_PercentageOfOwnershipOfSubsidiariesWhichGuaranteeDebtObligations
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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Represents the maximum amount of secured second priority debt and unsecured debt that may be outstanding per agreement.

No definition available.

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Represents the maximum amount of secured second priority debt and unsecured debt that may mature or require scheduled principal payments prior to a specified date per agreement.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the threshold sum of revolver availability and amounts held on deposit with the senior collateral agent in a concentration account, below which funds in the entity's deposit accounts are swept into a concentration account to repay revolving loans and be held as collateral against senior obligations.

No definition available.

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Balance Type:	debit
Period Type:	duration

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 7

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-Paragraph 16

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-Topic 942

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13,16)

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Carrying value as of the balance sheet date of the sum of short-term debt and current maturities of long-term debt and capital lease obligations, which are due within one year (or one business cycle if longer).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19,20)

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Name:	us-gaap_DebtCurrent
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The percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

No definition available.

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Section 45

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Increase for additional borrowings on the debt instrument during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

-Article 4

-Section 08

-Paragraph f

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

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Interest rate stated in the contractual debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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-Name FASB Staff Position (FSP)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Subparagraph (b)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

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-Publisher FASB

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Glossary Financing Activities

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Gross amount of debt extinguished.

No definition available.

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Amount represents the difference between the fair value of the payments made and the carrying amount of the debt at the time of its extinguishment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

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Reflects the difference between the fair value of payments made to legally extinguish a debt and its carrying value at that time. This item excludes the write-off of amounts previously capitalized as debt issuance costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 26

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

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Amount borrowed under the credit facility as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

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The cash outflow for cost incurred in the modification of term of existing debt agreement in order for the entity to achieve some advantage.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Glossary Financing Activities

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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