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Product Warranty Liability (Tables)
12 Months Ended
Jan. 31, 2021
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:
 
  
January 31
 
 
  
2021
 
 
2020
 
 
2019
 
(In thousands)
  
 
 
 
 
 
 
 
 
Balance, beginning of the year
   $ 850     $ 832     $ 575  
Provision for Warranty Expense
     855       1,733       1,680  
Cost of Warranty Repair
s
     (975     (1,715     (1,423
    
 
 
   
 
 
   
 
 
 
Balance, end of the year
   $ 730     $ 850     $ 832