WARRANTIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Changes in product warranty accrual
Balance at the beginning of period	$ 3,409		$ 3,249		$ 3,601		$ 3,432
Warranties issued	538		787		1,750		2,182
Warranty settlement costs	(665)		(577)		(1,797)		(1,905)
Changes in accruals for pre-existing warranties	67		(248)		(217)		(718)
Other adjustments	589	[1]	0	[1]	589	[1]	332	[1]
Currency translation adjustments	(130)		117		(118)		5
Balance at the end of period	$ 3,808		$ 3,328		$ 3,808		$ 3,328

[1] Represents the warranty liabilities assumed in connection with the Voumard acquisition in 2014 and the Forkardt acquisition in 2013. Refer to Note 2. "Acquisitions" for details.