Name:	rad_LeaseTerminationAndLongLivedAssetImpairmentCharges
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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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-Publisher FASB
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Name:	us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 280
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-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599

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Period Type:	instant

Amount of lessee's right to use underlying asset under operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Data Type:	xbrli:stringItemType
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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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-Publisher FASB
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-Topic 205
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