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INVESTMENTS AND DEPOSITS (Tables) | 12 Months Ended
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Jan. 31, 2014
Investments And Deposits [Abstract] |
Equity Method Investments [Table Text Block] | The following table summarizes equity method investments at January 31, 2014 and 2013 (amounts in thousands):
Entity |  | Ownership Percentage |  |  | Carrying Amount January 31, 2014 |  |  | Carrying Amount January 31, 2013 |
Big River Resources, LLC |  |  | 10 | % |  | $ | 40,042 |  |  | $ | 32,438 |
Patriot Holdings, LLC |  |  | 27 | % |  |  | 31,147 |  |  |  | 27,521 |
Total Equity Method Investments |  |  |  |  |  | $ | 71,189 |  |  | $ | 59,959 |
Condensed Balance Sheet [Table Text Block] | Summarized financial information for each of the Company’s equity method investees, as of their fiscal year end is presented in the following table (amounts in thousands):
|  | Patriot |  |  | Big River |
Current assets |  | $ | 26,540 |  |  | $ | 164,278 |
Non current assets |  |  | 159,081 |  |  |  | 348,884 |
Total assets |  | $ | 185,621 |  |  | $ | 513,162 |
Current liabilities |  | $ | 16,034 |  |  | $ | 68,769 |
Long-term liabilities |  |  | 57,847 |  |  |  | 12,503 |
Total liabilities |  | $ | 73,881 |  |  | $ | 81,272 |
Noncontrolling interests |  | $ | — |  |  | $ | 45,045 |
|  | Patriot |  |  | Big River |
Current assets |  | $ | 22,302 |  |  | $ | 139,879 |
Non current assets |  |  | 161,319 |  |  |  | 375,803 |
Total assets |  | $ | 183,621 |  |  | $ | 515,682 |
Current liabilities |  | $ | 20,201 |  |  | $ | 90,865 |
Long-term liabilities |  |  | 65,867 |  |  |  | 87,301 |
Total liabilities |  | $ | 86,068 |  |  | $ | 178,166 |
Noncontrolling interests |  | $ | — |  |  | $ | 29,007 |
Schedule of Financial Information for Equity Method Investments [Table Text Block] | Summarized financial information for each of the Company’s equity method investees is presented in the following table for the years ended December 31, 2013, 2012 and 2011.
|  | Patriot |  |  | Big River |
Net sales and revenue |  | $ | 377,532 |  |  | $ | 1,292,120 |
Gross profit |  | $ | 37,411 |  |  | $ | 124,327 |
Income from continuing operations |  | $ | 31,518 |  |  | $ | 90,729 |
Net income |  | $ | 31,518 |  |  | $ | 90,729 |
|  | Patriot |  |  | Big River |
Net sales and revenue |  | $ | 365,302 |  |  | $ | 1,135,956 |
Gross profit |  | $ | 7,685 |  |  | $ | 20,651 |
Income from continuing operations |  | $ | 1,320 |  |  | $ | 2,799 |
Net income |  | $ | 1,320 |  |  | $ | 2,799 |
|  | Patriot |  |  | Big River |  |  | NuGen |
Net sales and revenue |  | $ | 377,250 |  |  | $ | 1,162,308 |  |  | $ | 256,973 |
Gross profit |  | $ | 29,207 |  |  | $ | 105,207 |  |  | $ | 24,490 |
Income from continuing operations |  | $ | 22,615 |  |  | $ | 71,384 |  |  | $ | 18,133 |
Net income |  | $ | 22,615 |  |  | $ | 71,384 |  |  | $ | 18,133 |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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