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Product Warranties (Tables)
6 Months Ended
Dec. 31, 2016
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
 
Six Months Ended
 
 
December 31, 2016
 
December 31, 2015
 
December 31, 2016
 
December 31, 2015
Beginning balance
 
$
8,733

 
$
7,180

 
$
8,083

 
$
6,610

Add: Warranty expense
 
1,772

 
948

 
3,641

 
2,543

Less: Warranty claims paid
 
(1,301
)
 
(952
)
 
(2,520
)
 
(1,977
)
Ending balance
 
$
9,204

 
$
7,176

 
$
9,204

 
$
7,176