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Property and Equipment (Tables)
 3 Months Ended
Apr. 30, 2013
Property, Plant and Equipment [Table Text Block] The components of property and equipment at April 30, 2013 and January 31, 2013 are as follows (amounts in thousands):
    April 30,
2013 		    January 31,
2013 		 
                 
Land and improvements   $ 23,893     $ 23,980  
Buildings and improvements     37,993       38,056  
Machinery, equipment and fixtures     221,666       221,638  
Construction in progress     43       39  
      283,595       283,713  
Less: accumulated depreciation     (64,767 )     (60,533 )
                 
    $ 218,828     $ 223,180