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INVESTMENTS (Details) - Schedule of Financial information For Equity Method Investment - Big River [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2017	Oct. 31, 2016
INVESTMENTS (Details) - Schedule of Financial information For Equity Method Investment [Line Items]
Net sales and revenue	$ 201,621	$ 216,505	$ 606,190	$ 611,050
Gross profit	18,620	26,191	38,363	49,119
Income from continuing operations	11,010	18,934	19,628	33,555
Net income	$ 11,010	$ 18,934	$ 19,628	$ 33,555

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