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Product Warranties (Tables)
9 Months Ended
Mar. 31, 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
 
Nine Months Ended
 
 
March 31, 2017
 
March 31, 2016
 
March 31, 2017
 
March 31, 2016
Beginning balance
 
$
9,204

 
$
7,176

 
$
8,083

 
$
6,610

Add: Warranty expense
 
2,222

 
1,447

 
5,863

 
3,990

Less: Warranty claims paid
 
(1,244
)
 
(880
)
 
(3,764
)
 
(2,857
)
Ending balance
 
$
10,182

 
$
7,743

 
$
10,182

 
$
7,743