Property and Equipment (Details) - Schedule of Property Plant and Equipment - USD ($) $ in Thousands	Jul. 31, 2016	Jan. 31, 2016
Schedule of Property Plant and Equipment [Abstract]
Land and improvements	$ 21,069	$ 21,598
Buildings and improvements	24,280	24,543
Machinery, equipment and fixtures	252,357	237,735
Construction in progress	331	6,094
	298,037	289,970
Less: accumulated depreciation	(109,031)	(99,994)
Total	$ 189,006	$ 189,976