XML 35 R45.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Segment Reporting - Additional Information (Detail) | 3 Months Ended
--- | ---
Aug. 30, 2014
Segment Reporting Information [Line Items] |
Credit payment period | 30 days

X
- Definition Credit payment period. + References No definition available. + Details
Name: | rell_CreditPaymentPeriod
Namespace Prefix: | rell_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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