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Intangible Assets (Parenthetical) (Detail) | 12 Months Ended
--- | ---
Oct. 31, 2013 | Oct. 31, 2012
Non-compete agreements |  |
Intangible Assets [Line Items] |  |
Amortizable intangible assets, estimated life | 5 years | 5 years
Customer relationships |  |
Intangible Assets [Line Items] |  |
Amortizable intangible assets, estimated life | 9 years 7 months 6 days | 9 years 7 months 6 days

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

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration