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WARRANTIES (Tables)
 12 Months Ended
Dec. 31, 2016
Product Warranties Disclosures [Abstract]  
Schedule of reconciliation of changes in product warranty accrual included in accrued expenses
A reconciliation of the changes in the product warranty accrual, which is included in accrued expenses, is as follows (in thousands):
 
December 31,
 
2016
 
2015
Balance at beginning of year
$
3,802

 
$
3,891

Warranties issued
2,117

 
2,863

Warranty settlement costs
(2,329
)
 
(2,741
)
Changes in accruals for pre-existing warranties
68

 
(157
)
Currency translation adjustments
(102
)
 
(54
)
Balance at end of year
$
3,556

 
$
3,802