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Accrued Product Warrenties (Tables)
 9 Months Ended
Sep. 30, 2016
Product Warranties Disclosures [Abstract]  
Summay of warranty liability and activity
The following table summarizes the Company’s accrued product warranties and activity (in thousands):
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
Accrued product warranties, beginning of period
$
17,492

 
$
16,023

 
$
16,514

 
$
16,175

Amounts paid for warranty services
(3,624
)
 
(3,731
)
 
(13,221
)
 
(10,701
)
Warranty provisions for products sold
5,099

 
3,567

 
15,658

 
10,551

Currency translation and acquisition adjustments
1,025

 
(23
)
 
1,041

 
(189
)
Accrued product warranties, end of period
$
19,992

 
$
15,836

 
$
19,992

 
$
15,836

Current accrued product warranties, end of period
 
 
 
 
$
16,759


$
13,213

Long-term accrued product warranties, end of period
 
 
 
 
$
3,233


$
2,623