WARRANTIES (Tables)

3 Months Ended

Mar. 31, 2018

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" in the Consolidated Balance Sheets, is as follows (in thousands):

	Three Months Ended   March 31,
	2018			2017
Balance at the beginning of period	$	3,355		$	3,556
Warranties issued	486			439
Warranty settlement costs	(285		)	(420		)
Changes in accruals for pre-existing warranties	(103		)	(365		)
Currency translation adjustments	61			56
Balance at the end of period	$	3,514		$	3,266