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Property and Equipment (Tables)
3 Months Ended
Apr. 30, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]

The components of property and equipment are as follows for the periods presented (amounts in thousands):

 

   April 30,
2021
   January 31,
2021
 
         
Land and improvements  $27,437   $27,437 
Buildings and improvements   23,702    23,701 
Machinery, equipment and fixtures   305,820    305,640 
Construction in progress   899    215 
    357,858    356,993 
Less:  accumulated depreciation   (208,791)    (203,807) 
Total  $149,067   $153,186