ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Accrued expenses [Abstract]
Sales commissions	$ 2,824	$ 3,017
Subcontracting labor	1,942	2,217
Salaries, bonuses and related benefits	15,672	17,964
Warranty accrual	3,659	6,032
Other	14,226	13,358
Accrued expenses	38,323	42,588
Power Solutions [Member]
Schedule of warranty accrual account for the period from the acquisition date [Roll Forward]
Balance, beginning of year	6,032	0
Warranty accruals acquired in 2014 Acquisitions	0	4,397
Charges and costs accrued	2,892	3,834
Adjustments related to pre-existing warranties (including changes in estimates)	(1,208)	(66)
Less: Repair costs incurred	(2,932)	(2,061)
Less: Cash settlements	(1,000)	0
Currency translation	(125)	(72)
Balance, end of year	$ 3,659	$ 6,032