CONTINGENT LIABILITIES AND COMMITMENTS (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Changes in the Company's warranty reserve
Balance, as of December 31, 2013			$ 8,214,000
Provision for warranty claims			5,218,000
Warranty claims paid			(5,102,000)
Product Warranty Accrual, Currency Translation, Increase (Decrease)			(33,000)
Balance, as of September 30, 2014	8,297,000		8,297,000
Contingent liabilities and commitments, additional disclosure
Warranty expense	$ 1,900,000	$ 1,600,000	$ 5,200,000	$ 5,100,000