WARRANTIES (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014		Sep. 30, 2015	Sep. 30, 2014
Changes in product warranty accrual
Balance at the beginning of period	$ 4,037	$ 3,257		$ 3,891	$ 3,449
Warranties issued	682	538		2,081	1,750
Warranty settlement costs	(620)	(665)		(2,068)	(1,797)
Changes in accruals for pre-existing warranties	(11)	67		64	(217)
Other adjustments	0	600	[1]	0	600	[1]
Currency translation adjustments	(109)	(141)		11	(129)
Balance at the end of period	$ 3,979	$ 3,656		$ 3,979	$ 3,656

[1] (1) Represents the warranty liabilities assumed in connection with the Voumard acquisition. Refer to Note 2. "Acquisitions" for details.