PROPERTY AND EQUIPMENT (Details) - Schedule of Property and Equipment - USD ($) $ in Thousands	Apr. 30, 2017	Jan. 31, 2017
Schedule of Property and Equipment [Abstract]
Land and improvements	$ 20,960	$ 20,951
Buildings and improvements	23,237	23,203
Machinery, equipment and fixtures	256,577	255,348
Construction in progress	6,968	1,046
	307,742	300,548
Less: accumulated depreciation	(123,068)	(117,787)
Total	$ 184,674	$ 182,761