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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

X

- Details

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