XML 21 R50.htm IDEA: XBRL DOCUMENT v2.4.0.6

Segment Reporting - Additional Information (Detail)	3 Months Ended
	Dec. 01, 2012
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