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Product Warranties (Tables)
3 Months Ended
Sep. 30, 2017
Product Warranties Disclosures [Abstract]  
Product Warranties
Changes in the Company’s product warranty liability, which is included in accrued expenses on the unaudited condensed consolidated balance sheets, were as follows: 
 
 
Three Months Ended
 
 
September 30, 2017
 
September 30, 2016
Beginning balance
 
$
10,050

 
$
8,083

Add: Warranty expense
 
3,008

 
1,869

          Additions for Cobalt acquisition
 
4,404

 

Less: Warranty claims paid
 
(2,737
)
 
(1,219
)
Ending balance
 
$
14,725

 
$
8,733