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Warranty Reserves
 12 Months Ended
Dec. 31, 2015
Product Warranties Disclosures [Abstract]  
Warranty Reserves
WARRANTY RESERVES
The following is a summary of warranty reserve activity (in thousands):
 
Year Ended December 31,
 
2015
 
2014
 
2013
Balance, beginning of period
$
13,005

 
$
12,705

 
$
12,049

Reductions for warranty costs incurred
(15,081
)
 
(14,051
)
 
(13,058
)
Warranties issued
16,537

 
14,846

 
13,677

Translation and changes in estimates
(354
)
 
(495
)
 
37

Balance, end of period
$
14,107

 
$
13,005

 
$
12,705