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Commitments and Contingencies (Tables)
 3 Months Ended
Mar. 31, 2022
Commitments and Contingencies [Abstract]  
Changes in Product Warranties
The following table provides the changes in our product warranties (in thousands):

 
  
Three Months Ended
March 31,
  
 
  
2022
    
2021
  
 
            
Balance, beginning of period
  
$
17,463
    
$
17,663
  
Liabilities accrued for current year sales
    
22,626
      
20,177
  
Settlements of warranty claims
    
(19,378
)
    
(20,892
)
Balance, end of period
  
$
20,711
    
$
16,948