XML 14 R54.htm IDEA: XBRL DOCUMENT v2.4.0.8

Variable interest entity - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended
	Oct. 31, 2012
Variable Interest Entity [Line Items]
Reduction in total assets	$ 1.6
Reduction in total liabilities	$ 1.4

X

- Definition

Increase (Decrease) in Assets

+ References

No definition available.

+ Details

Name:	rfil_IncreaseDecreaseInAssets
Namespace Prefix:	rfil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Increase (Decrease) in Total Liabilities

+ References

No definition available.

+ Details

Name:	rfil_IncreaseDecreaseInTotalLiabilities
Namespace Prefix:	rfil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_VariableInterestEntityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration