PROPERTY AND EQUIPMENT (Details) - Schedule of Property and Equipment - USD ($) $ in Thousands	Jul. 31, 2017	Jan. 31, 2017
Schedule of Property and Equipment [Abstract]
Land and improvements	$ 20,965	$ 20,951
Buildings and improvements	23,259	23,203
Machinery, equipment and fixtures	261,772	255,348
Construction in progress	9,359	1,046
	315,355	300,548
Less: accumulated depreciation	(127,810)	(117,787)
Total	$ 187,545	$ 182,761