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Property and Equipment (Details) - Schedule of Property Plant and Equipment - USD ($)
$ in Thousands
Jul. 31, 2015
Jan. 31, 2015
Schedule of Property Plant and Equipment [Abstract]    
Land and improvements $ 21,598 $ 20,844
Buildings and improvements 24,519 27,069
Machinery, equipment and fixtures 231,907 231,422
Construction in progress 2,143 1,290
280,167 280,625
Less: accumulated depreciation (91,111) (86,178)
$ 189,056 $ 194,447