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Derivative Financial Instruments (Tables) | 6 Months Ended
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Jul. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [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 (that are not accounted for under the “normal purchases and normal sales” scope exemption of ASC 815) and the line items on the Consolidated Condensed Balance Sheets in which the fair values are reflected (in thousands):
|  | Asset Derivatives Fair Value |  |  | Liability Derivatives Fair Value |
|  | July 31, 2021 |  |  | January 31, 2021 |  |  | July 31, 2021 |  |  | January 31, 2021 |
Commodity futures (1) |  | $ | 784 |  |  | $ | - |  |  | $ | 4,590 |  |  | $ | 1,794 |
Forward purchase contracts (2) |  |  | 673 |  |  |  | 2,144 |  |  |  | - |  |  |  | - |
Total |  | $ | 1,457 |  |  | $ | 2,144 |  |  | $ | 4,590 |  |  | $ | 1,794 |

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- Definition Tabular disclosure of derivative assets at fair value. + References No definition available. + Details
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