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Accrued Product Warranties (Tables)
 6 Months Ended
Jun. 30, 2017
Product Warranties Disclosures [Abstract]  
Summary of Warranty Liability and Activity
The following table summarizes the Company’s warranty liability and activity (in thousands):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2017
 
2016
 
2017
 
2016
Accrued product warranties, beginning of period
$
19,971

 
$
17,227

 
$
20,845

 
$
16,514

Amounts paid for warranty services
(4,362
)
 
(5,458
)
 
(8,991
)
 
(9,598
)
Warranty provisions for products sold
3,782

 
5,826

 
7,491

 
10,560

Currency translation adjustments and other
139

 
(103
)
 
185

 
16

Accrued product warranties, end of period
$
19,530

 
$
17,492

 
$
19,530

 
$
17,492

 
 
 
 
 
 
 
 
Current accrued product warranties, end of period
 
 
 
 
$
16,262

 
$
14,661

Long-term accrued product warranties, end of period
 
 
 
 
$
3,268

 
$
2,831