GOODWILL AND OTHER INTANGIBLE ASSETS (Details 3)	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Customer relationships [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	9 years 8 months 12 days	10 years 1 month 6 days
Trademarks and trade names one [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	13 years	13 years 6 months
Engineering drawings [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years 10 months 24 days	8 years 1 month 6 days
Non-compete agreements [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	2 years 9 months 18 days	1 year 9 months 18 days
Patents [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	8 years 4 months 24 days	8 years 9 months 18 days