INVESTMENTS (Details) - Schedule of Financial information For Equity Method Investment - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2018	Apr. 30, 2017
INVESTMENTS (Details) - Schedule of Financial information For Equity Method Investment [Line Items]
Net income	$ 9,496	$ 4,544
Big River [Member]
INVESTMENTS (Details) - Schedule of Financial information For Equity Method Investment [Line Items]
Net sales and revenue	191,943	192,500
Gross profit	13,691	8,181
Income from continuing operations	6,765	7,206
Net income	$ 6,765	$ 7,206

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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