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Long-Term Obligations (Details) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2012
Oct. 31, 2011
Summary of long-term obligations    
Debt and capital lease obligations $ 18,455 $ 23,692
Less current portion (5,416) (5,448)
Long-term obligations, less current portion 13,039 18,244
Farm Credit West, PCA, (FCW) term loan, bearing interest at 1.7% [Member]
   
Summary of long-term obligations    
Debt and capital lease obligations 5,509 7,012
Bank of America, N.A. (BoA) term loan, bearing interest at 1.7% [Member]
   
Summary of long-term obligations    
Debt and capital lease obligations 5,606 7,135
FCW, term loan, bearing interest at 5.7% [Member]
   
Summary of long-term obligations    
Debt and capital lease obligations 3,900 5,200
Capital Lease [Member]
   
Summary of long-term obligations    
Debt and capital lease obligations $ 3,440 $ 4,345