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Members' Equity Narrative (Details) (USD $)
 12 Months Ended
Oct. 31, 2014
Oct. 31, 2012
Oct. 31, 2013
Equity [Abstract]      
Membership Units, Issued 30,606gfe_MembershipUnitsIssued 30,656gfe_MembershipUnitsIssued 30,606gfe_MembershipUnitsIssued
Membership Units, Outstanding 30,606gfe_MembershipUnitsOutstanding 30,656gfe_MembershipUnitsOutstanding 30,606gfe_MembershipUnitsOutstanding
Membership Units, Redeemed   50gfe_MembershipUnitsRedeemed  
Membership Unit Value, Redeemed   $ 66,000gfe_MembershipUnitValueRedeemed  
Distribution Made to Membership, Cash Distribution Paid per Unit 180gfe_DistributionMadeToMembershipCashDistributionPaidPerUnit    
Distribution Made to Member or Limited Partner, Cash Distributions Paid $ 5,509,080us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsPaid