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Inventories And Major Vendors - Additional Information (Detail) | 12 Months Ended
--- | ---
Oct. 31, 2012 | Oct. 31, 2011
Schedule of Inventory [Line Items] |  |
Number of major vendors | 2 | 2
Vendor One |  |
Schedule of Inventory [Line Items] |  |
Purchases of connector products, percentage | 20.00% | 22.00%
Vendor Two |  |
Schedule of Inventory [Line Items] |  |
Purchases of connector products, percentage | 14.00% | 13.00%

X
- Definition Number of vendors + References No definition available. + Details
Name: | rfil_NumberOfVendors
Namespace Prefix: | rfil_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of Purchases from Major Suppliers + References No definition available. + Details
Name: | rfil_PercentageOfPurchasesFromMajorSuppliers
Namespace Prefix: | rfil_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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