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DERIVATIVE FINANCIAL INSTRUMENTS (Tables) | 12 Months Ended
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Jan. 31, 2017 | Jan. 31, 2016
Disclosure Text Block Supplement [Abstract] |  |
Schedule of Derivative Assets at Fair Value [Table Text Block] |  | The following table provides information about the fair values of the Company’s derivative financial instruments and the line items on the Consolidated Balance Sheets in which the fair values are reflected (in thousands):
|  | Asset Derivatives |  |  | Liability Derivatives |
|  | Fair Value at January 31, |  |  | Fair Value at January 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Commodity futures (1) |  | $ | 45 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Forward purchase contracts (2) |  | $ | 163 |  |  | $ | — |  |  | $ | 136 |  |  | $ | 312 |
| (1) | Commodity futures are included in prepaid expense and other. These contracts are short/sell positions for approximately 0.7 million bushels of corn.
| (2) Forward purchase contracts assets are included in prepaid expenses and other while forward purchase contracts liabilities are included in accrued expenses and other current liabilities. These contracts are for purchases of approximately 5.3 million bushels of corn at January 31, 2017 and 0.7 million bushels of corn at January 31, 2016.
Derivative Instruments, Gain (Loss) [Table Text Block] | The following table provides information about gains recognized in income on the Company’s derivative financial instruments and the line items on the Consolidated Statements of Operations in which the fair values are reflected for fiscal years 2016, 2015 and 2014 (in thousands):
|  | 2016 |  |  | 2015 |  |  | 2014 |
Cost of sales |  | $ | (2,131 | ) |  | $ | (382 | ) |  | $ | — |

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- Definition Tabular disclosure of derivative assets at fair value. + References No definition available. + Details
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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959 + Details
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