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SEGMENT REPORTING | 12 Months Ended
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Jan. 31, 2018
Segment Reporting [Abstract] |
Segment Reporting Disclosure [Text Block] | 16. SEGMENT REPORTING In the third quarter of fiscal year 2017, the Company began reporting the results of its refined coal operations as a new segment as a result of the refined coal acquisition (see Note 3). The Company has two segments: ethanol and by-products and refined coal. Historical amounts have been reclassified to conform to the current year segment reporting presentation. The Company evaluates the performance of each reportable segment based on net income attributable to REX common shareholders. The following tables summarize segment and other results and assets (amounts in thousands):
|  | Fiscal Year |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Net sales and revenue: |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | 452,153 |  |  | $ | 453,799 |  |  | $ | 436,488 |
Refined coal 1 |  |  | 433 |  |  |  | — |  |  |  | — |
Total net sales and revenue |  | $ | 452,586 |  |  | $ | 453,799 |  |  | $ | 436,488 |
Segment gross profit (loss): |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | 51,509 |  |  | $ | 71,039 |  |  | $ | 50,834 |
Refined coal |  |  | (7,348 | ) |  |  | — |  |  |  | — |
Total gross profit |  | $ | 44,161 |  |  | $ | 71,039 |  |  | $ | 50,834 |
Income (loss) before income taxes: |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | 38,352 |  |  | $ | 59,447 |  |  | $ | 53,469 |
Refined coal |  |  | (10,021 | ) |  |  | — |  |  |  | — |
Corporate and other |  |  | (2,938 | ) |  |  | (2,536 | ) |  |  | (1,951 | )
Total income (loss) before income taxes |  | $ | 25,393 |  |  | $ | 56,911 |  |  | $ | 51,518 |
Benefit (provision) for income taxes: |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | 3,245 |  |  | $ | (18,259 | ) |  | $ | (14,690 | )
Refined coal |  |  | 15,168 |  |  |  | — |  |  |  | — |
Corporate and other |  |  | 1,106 |  |  |  | 866 |  |  |  | 582 |
Total benefit (provision) for income taxes |  | $ | 19,519 |  |  | $ | (17,393 | ) |  | $ | (14,108 | )
Segment profit (loss): |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | 35,880 |  |  | $ | 33,950 |  |  | $ | 32,734 |
Refined coal |  |  | 5,628 |  |  |  | — |  |  |  | — |
Corporate and other |  |  | (1,802 | ) |  |  | (1,617 | ) |  |  | (1,298 | )
Net income attributable to REX common shareholders |  | $ | 39,706 |  |  | $ | 32,333 |  |  | $ | 31,436 |
1 Sales in the refined coal segment are recorded net of the cost of coal as the Company purchases the coal feedstock from the customer to which refined coal is sold.
|  | Fiscal Year |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Sales of products, ethanol and by-products segment: |  |  |  |  |  |  |  |  |  |  |  |
Ethanol |  | $ | 359,239 |  |  | $ | 358,349 |  |  | $ | 333,200 |
Dried distillers grains |  |  | 63,120 |  |  |  | 71,204 |  |  |  | 81,116 |
Non-food grade corn oil |  |  | 21,195 |  |  |  | 18,518 |  |  |  | 15,510 |
Modified distillers grains |  |  | 8,525 |  |  |  | 5,326 |  |  |  | 5,999 |
Other |  |  | 74 |  |  |  | 402 |  |  |  | 663 |
Total sales |  | $ | 452,153 |  |  | $ | 453,799 |  |  | $ | 436,488 |
Sales of products, refined coal segment: |  |  |  |  |  |  |  |  |  |  |  |
Refined coal |  | $ | 433 |  |  | $ | — |  |  | $ | — |
Interest income: |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | 878 |  |  | $ | 212 |  |  | $ | 176 |
Refined coal |  |  | — |  |  |  | — |  |  |  | — |
Corporate and other |  |  | 678 |  |  |  | 222 |  |  |  | 205 |
Total interest income |  | $ | 1,556 |  |  | $ | 434 |  |  | $ | 381 |
Depreciation expense: |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | 20,037 |  |  | $ | 19,464 |  |  | $ | 18,559 |
Refined coal |  |  | 1,385 |  |  |  | — |  |  |  | — |
Corporate and other |  |  | 40 |  |  |  | 55 |  |  |  | 79 |
Total depreciation expense |  | $ | 21,462 |  |  | $ | 19,519 |  |  | $ | 18,638 |
Equity in income of unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | 3,232 |  |  | $ | 6,144 |  |  | $ | 8,984 |
Refined coal |  |  | — |  |  |  | — |  |  |  | — |
Corporate and other |  |  | — |  |  |  | — |  |  |  | — |
Total equity in income of unconsolidated affiliates |  | $ | 3,232 |  |  | $ | 6,144 |  |  | $ | 8,984 |
(Loss) gain on sale of investment: |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | (13 | ) |  | $ | 192 |  |  | $ | 10,385 |
Refined coal |  |  | — |  |  |  | — |  |  |  | — |
Corporate and other |  |  | — |  |  |  | — |  |  |  | — |
Total gain on sale of investment |  | $ | (13 | ) |  | $ | 192 |  |  | $ | 10,385 |
|  | January 31, |
Assets: |  | 2018 |  |  | 2017 |  |  | 2016 |
Ethanol and by-products |  | $ | 384,997 |  |  | $ | 371,464 |  |  | $ | 348,779 |
Refined coal |  |  | 12,165 |  |  |  | — |  |  |  | — |
Corporate and other |  |  | 81,702 |  |  |  | 82,560 |  |  |  | 65,906 |
Total assets |  | $ | 478,864 |  |  | $ | 454,024 |  |  | $ | 414,685 |
Additions to other long lived assets: |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | 796 |  |  | $ | 832 |  |  | $ | 696 |
Refined coal |  |  | — |  |  |  | — |  |  |  | — |
Corporate and other |  |  | — |  |  |  | — |  |  |  | — |
Total additions to other long lived assets |  | $ | 796 |  |  | $ | 832 |  |  | $ | 696 |
Additions to property and equipment: |  |  |  |  |  |  |  |  |  |  |  |
Ethanol and by-products |  | $ | 24,017 |  |  | $ | 14,208 |  |  | $ | 15,495 |
Refined coal |  |  | — |  |  |  | — |  |  |  | — |
Corporate and other |  |  | — |  |  |  | — |  |  |  | — |
Total additions to property and equipment |  | $ | 24,017 |  |  | $ | 14,208 |  |  | $ | 15,495 |
All of the Company’s ethanol and distillers grains are sold in the domestic market. The Company’s marketers make all decisions with regard to where products they purchase from the Company are distributed.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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