Related Party Transactions (Details)			3 Months Ended	0 Months Ended
Jun. 01, 2013	Mar. 02, 2013	Jun. 01, 2013 Jean Coutu Group	Jun. 26, 2013 Jean Coutu Group Subsequent event item
Related Party Transactions
Shares of common stock of entity owned by third party	909,385,000	904,268,000	105,901,162
Percentage of voting power owned by third party			11.30%	6.90%
Number of shares sold				40,500,000
Number of members of board of directors to be designated				1
Number of members of board of directors				8

Represents the number of members of the board of directors.

No definition available.

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- Definition

Represents the number of members of the board of directors to be designated by the related party due to its ownership of a specified percentage of the entity's common stock.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

The percentage of ownership of common stock or equity owned by third party.

+ References

No definition available.

+ Details

Name:	rad_OwnershipPercentageByThirdParty
Namespace Prefix:	rad_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of shares of common stock that were sold or disposed.

+ References

No definition available.

+ Details

Name:	rad_RelatedPartyTransactionNumberOfSharesSoldOrDisposed
Namespace Prefix:	rad_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

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