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Assets and Liabilities Classified as Discontinued Operations (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified | Mar. 02, 2013
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Payable to arrow for transition services | $ 2.4
Offset receivables for transition services | $ 1.6

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- Definition Disposal group including discontinued operation accrued liabilities related to transition fee. + References No definition available. + Details
Name: | rell_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesRelatedToTransitionFee
Namespace Prefix: | rell_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Offset receivables for transition services. + References No definition available. + Details
Name: | rell_OffsetReceivablesForTransitionServices
Namespace Prefix: | rell_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration