INVESTMENTS (Details) - Schedule of Financial information For Equity Method Investment - Big River [Member] - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2017	Apr. 30, 2016
INVESTMENTS (Details) - Schedule of Financial information For Equity Method Investment [Line Items]
Net sales and revenue	$ 192,500	$ 183,571
Gross profit	8,181	5,870
Income from continuing operations	7,206	2,404
Net income	$ 7,206	$ 2,404

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The amount of gross profit (loss) reported by an equity method investment of the entity.

+ References

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Amount of income (loss) from continuing operations reported by an equity method investee.

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The amount of net income (loss) reported by an equity method investment of the entity.

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The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

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