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INVESTMENTS AND DEPOSITS (Details) - Schedule of Condensed Balance Sheet (USD $) In Thousands, unless otherwise specified | Jan. 31, 2014 | Jan. 31, 2013 | Dec. 31, 2013 Patriot [Member] | Dec. 31, 2012 Patriot [Member] | Dec. 31, 2013 Big River [Member] | Dec. 31, 2012 Big River [Member]
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Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |  |  |
Current assets | $ 148,810 | $ 114,927 | $ 26,540 | $ 22,302 | $ 164,278 | $ 139,879
Non current assets |  |  | 159,081 | 161,319 | 348,884 | 375,803
Total assets |  |  | 185,621 | 183,621 | 513,162 | 515,682
Current liabilities | 32,140 | 31,459 | 16,034 | 20,201 | 68,769 | 90,865
Long-term liabilities |  |  | 57,847 | 65,867 | 12,503 | 87,301
Total liabilities |  |  | 73,881 | 86,068 | 81,272 | 178,166
Noncontrolling interests | $ 31,472 | $ 27,931 |  |  | $ 45,045 | $ 29,007

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