|
Commitments and Contingencies (Details)
|
Jan. 31, 2015
gal
|
Oct. 31, 2014
T
|
|---|---|---|
| Supply Commitment [Line Items] | ||
| Purchase Commitment, Remaining Minimum Amount Committed, Volume | 1,220,600 | |
| Distillers Grain [Member] | ||
| Supply Commitment [Line Items] | ||
| Supply Commitment, Remaining Minimum Amount Committed, Mass | 30,000 | |
| Natural Gas [Member] | ||
| Supply Commitment [Line Items] | ||
| Purchase Commitment forward fixed contracts, energy | 1,064,300 |