Leases	3 Months Ended
Apr. 30, 2012
Leases [Abstract]
Leases	LEASES The Company has a lease agreement with Trinity Industries Leasing Company (“Trinity”) for 75 hopper cars to assist with the transport of distiller's grains by rail through April 2018. The Company will pay Trinity $620 per month plus $0.03 per mile traveled in excess of 36,000 miles per year. Rent expense for these leases was approximately $139,000 and $137,000 for the three month periods ended April 30, 2013 and 2012, respectively. Rent expense for these leases was approximately $278,000 and $272,000 for the six month periods ended April 30, 2013 and 2012, respectively. The Company has lease agreements with three leasing companies for 177 rail car leases for the transportation of the Company's ethanol with various maturity dates through October 2017. The rail car lease payments are due monthly in the aggregate amount of approximately $107,000. Rent expense for these leases was approximately $364,000 and $318,000 for the three month periods ended April 30, 2013 and 2012, respectively. Rent expense for these leases was approximately $709,000 and $636,000 for the six month periods ended April 30, 2013 and 2012, respectively.

Leases

3 Months Ended

Apr. 30, 2012

LEASES

The Company has a lease agreement with Trinity Industries Leasing Company (“Trinity”) for 75 hopper cars to assist with the transport of distiller's grains by rail through April 2018. The Company will pay Trinity $620 per month plus $0.03 per mile traveled in excess of 36,000 miles per year. Rent expense for these leases was approximately $139,000 and $137,000 for the three month

periods ended April 30, 2013 and 2012, respectively. Rent expense for these leases was approximately $278,000 and $272,000 for the six month periods ended April 30, 2013 and 2012, respectively.

The Company has lease agreements with three leasing companies for 177 rail car leases for the transportation of the Company's ethanol with various maturity dates through October 2017. The rail car lease payments are due monthly in the aggregate amount of approximately $107,000. Rent expense for these leases was approximately $364,000 and $318,000 for the three month periods ended April 30, 2013 and 2012, respectively. Rent expense for these leases was approximately $709,000 and $636,000 for the six month periods ended April 30, 2013 and 2012, respectively.