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Product Warranties (Tables)
3 Months Ended
Sep. 30, 2019
Product Warranties Disclosures [Abstract]  
Product Warranties
Changes in the Company’s product warranty liability, which is included in accrued expenses on the unaudited interim condensed consolidated balance sheets, were as follows: 
 
 
Three Months Ended September 30,
 
 
2019
 
2018
Beginning balance
 
$
23,820

 
$
17,217

Add: Warranty expense
 
3,906

 
2,916

Less: Warranty claims paid
 
(2,692
)
 
(2,134
)
Ending balance
 
$
25,034

 
$
17,999