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Commitments and Contingencies (Tables)
3 Months Ended
Jun. 30, 2020
Commitments and Contingencies [Abstract]  
Changes in Warranty Return Accrual
The following summarizes the changes in the warranty return accrual:

 
 
Three Months Ended
June 30,
 
 
 
2020
   
2019
 
Balance at beginning of period
 
$
18,300,000
   
$
19,475,000
 
Charged to expense
   
23,089,000
     
23,185,000
 
Amounts processed
   
(19,197,000
)
   
(26,842,000
)
Balance at end of period
 
$
22,192,000
   
$
15,818,000