ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Accrued expenses [Abstract]
Sales commissions	$ 2,485		$ 2,824
Subcontracting labor	1,458		1,942
Salaries, bonuses and related benefits	15,768		15,672
Warranty accrual	3,305		3,659
Other	9,800		14,226
Accrued expenses	32,816		$ 38,323
Schedule of warranty accrual account for the period from the acquisition date [Roll Forward]
Beginning balance as of beginning of period	3,659	$ 6,032
Charges and costs accrued	16	1,288
Adjustments related to pre-existing warranties (including changes in estimates)	(268)	(947)
Less repair costs incurred	(130)	(523)
Less cash settlements	0	(1,522)
Currency translation	28	5
Ending balance as of end of period	$ 3,305	$ 4,333