Summary of Significant Accounting Policies - Prescription Sales Covered by Third Party Payors (Details)	12 Months Ended
Feb. 27, 2016
Allowance for Uncollectible Receivables
Percentage of prescription sales made to customers who are covered by third-party payors	97.80%

Represents the percentage of prescription sales made to customers that are covered by the third party payors, such as insurance companies, government agencies and employers.

No definition available.

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