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Property and Equipment (Tables)
 9 Months Ended
Oct. 31, 2020
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):
    October 31,
2020		    

January 31,
2020

 

         
Land and improvements   $26,244    $21,957 
Buildings and improvements    23,643     23,643 
Machinery, equipment and fixtures    302,367     300,972 
Construction in progress    746     193 
     353,000     346,765 
Less:  accumulated depreciation    (198,599)     (183,438) 
Total   $154,401    $163,327