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Accrued Product Warranties
 9 Months Ended
Sep. 30, 2018
Product Warranties Disclosures [Abstract]  
Accrued Product Warranties
Accrued Product Warranties
The following table summarizes the Company’s warranty liability and activity (in thousands):
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2018
 
2017
 
2018
 
2017
Accrued product warranties, beginning of period
$
18,499

 
$
19,530

 
$
18,051

 
$
20,845

Amounts paid for warranty services
(4,332
)
 
(3,790
)
 
(12,809
)
 
(12,781
)
Warranty provisions for products sold
4,971

 
3,294

 
13,873

 
10,785

Currency translation adjustments and other
19

 
90

 
42

 
275

Accrued product warranties, end of period
$
19,157

 
$
19,124

 
$
19,157

 
$
19,124

 
 
 
 
 
 
 
 
Current accrued product warranties, end of period
 
 
 
 
$
15,567

 
$
16,193

Long-term accrued product warranties, end of period
 
 
 
 
$
3,590

 
$
2,931