XML 15 R39.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Calculation of Earnings Per Share - Additional Information (Detail) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 29, 2014 | Nov. 30, 2013 | Nov. 29, 2014 | Nov. 30, 2013
Computation Of Earnings Per Share Line Items |  |  |  |
Common stock options anti-dilutive | 666,564 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 512,064 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 661,564 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 487,064 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Common Stock |  |  |  |
Computation Of Earnings Per Share Line Items |  |  |  |
Common stock shares, authorized | 17,000,000 us-gaap_CommonStockSharesAuthorized / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  | 17,000,000 us-gaap_CommonStockSharesAuthorized / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |
Class B Common Stock |  |  |  |
Computation Of Earnings Per Share Line Items |  |  |  |
Common stock shares, authorized | 3,000,000 us-gaap_CommonStockSharesAuthorized / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember |  | 3,000,000 us-gaap_CommonStockSharesAuthorized / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember |
Number of votes for Class B common stock |  |  | 10 rell_NumberOfVotesForClassBCommonStock / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember |
Cash dividends Class A common stock |  |  | 90.00%rell_CashDividendsClassCommonStockPercentage / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassBMember |

X
- Definition Cash dividends class common stock percentage. + References No definition available. + Details
Name: | rell_CashDividendsClassCommonStockPercentage
Namespace Prefix: | rell_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | rell_ComputationOfEarningsPerShareLineItems
Namespace Prefix: | rell_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of votes for class B common stock. + References No definition available. + Details
Name: | rell_NumberOfVotesForClassBCommonStock
Namespace Prefix: | rell_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |