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Accrued Product Warranties
 12 Months Ended
Dec. 31, 2017
Product Warranties Disclosures [Abstract]  
Accrued Product Warranties
Accrued Product Warranties
The Company generally provides a twelve to twenty-four month warranty on its products. A provision for the estimated future costs of warranty, based upon historical cost and product performance experience, is recorded when revenue is recognized. The following table summarizes the Company’s warranty liability and activity for 2017, 2016 and 2015 (in thousands):
 
Year Ended December 31,
 
2017
 
2016
 
2015
Accrued product warranties, beginning of year
$
20,845

 
$
16,514

 
$
16,175

Amounts paid for warranty services
(16,764
)
 
(19,592
)
 
(12,821
)
Warranty provisions for products sold
14,422

 
22,928

 
13,074

Business acquisition
—

 
1,215

 
395

Currency translation adjustments and other
(451
)
 
(220
)
 
(309
)
Accrued product warranties, end of year
$
18,052

 
$
20,845

 
$
16,514

 
 
 
 
 
 
Current accrued product warranties, end of year
$
15,024

 
$
17,476

 
$
13,406

Long-term accrued product warranties, end of year
$
3,028

 
$
3,369

 
$
3,108