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Property and Equipment (Tables)
6 Months Ended
Jul. 31, 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):

 

   July 31,
2021
   January 31,
2021
 
         
Land and improvements  $27,437   $27,437 
Buildings and improvements   23,701    23,701 
Machinery, equipment and fixtures   306,514    305,640 
Construction in progress   1,173    215 
    358,825    356,993 
Less:  accumulated depreciation   (213,747)    (203,807) 
Total  $145,078   $153,186