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WARRANTIES
 3 Months Ended
Mar. 31, 2017
Product Warranties Disclosures [Abstract]  
WARRANTIES
WARRANTIES
 
A reconciliation of the changes in the product warranty accrual, which is included in "Accrued expenses" in the Consolidated Balance Sheets, is as follows (in thousands):
 
Three Months Ended 
 March 31,
 
2017
 
2016
Balance at the beginning of period
$
3,556

 
$
3,802

Warranties issued
372

 
373

Warranty settlement costs
(373
)
 
(590
)
Changes in accruals for pre-existing warranties
(345
)
 
2

Currency translation adjustments
56

 
(66
)
Balance at the end of period
$
3,266

 
$
3,521