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Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2020
Commitments and Contingencies [Abstract]  
Changes in Product Warranties
The following table provides the changes in our product warranties (in thousands):

 
 
Three Months Ended
September 30,
   
Nine Months Ended
September 30,
 
 
 
2020
   
2019
   
2020
   
2019
 
Balance, beginning of period
 
$
26,497
   
$
22,086
   
$
22,445
   
$
19,636
 
Liabilities accrued for current year sales
   
26,954
     
26,112
     
71,816
     
76,791
 
Settlements of warranty claims
   
(24,837
)
   
(27,573
)
   
(65,647
)
   
(75,802
)
Balance, end of period
 
$
28,614
   
$
20,625
   
$
28,614
   
$
20,625