Related Party Transactions (Details) (Jean Coutu Group)	Jul. 22, 2013
Jean Coutu Group
Related Party Transactions
Number of shares sold	65,401,162

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

No definition available.

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