CONTINGENT LIABILITIES AND COMMITMENTS (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Changes in the Company's warranty reserve
Balance, as of December 31, 2013	$ 8,214,000
Provision for warranty claims	1,632,000
Warranty claims paid	(1,654,000)
Foreign currency translation adjustment	(14,000)
Balance, as of March 31, 2014	8,178,000
Contingent liabilities and commitments, additional disclosure
Warranty expense	$ 1,600,000	$ 1,700,000