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Product Warranty Liability (Tables)
12 Months Ended
Jan. 31, 2022
Guarantees and Product Warranties [Abstract]  
Activity in Product Warranty Liability Activity in the product warranty liability, which is included in other accrued expenses in the accompanying consolidated balance sheet, is as follows:
    
2022
   
2021
   
2020
 
(In thousands)                   
Balance, beginning of the year

   $ 730     $ 850     $ 832  
Provision for Warranty Expense

     2,174       855       1,733  
Cost of Warranty Repairs

     (2,070     (975     (1,715
    
 
 
   
 
 
   
 
 
 
Balance, end of the year

   $ 834     $ 730     $ 850