GOODWILL AND OTHER INTANGIBLE ASSETS (Summary of Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Amortized intangible assets:
Gross Carrying Amount	$ 143,990		$ 143,990		$ 130,112
Accumulated Amortization	(47,230)		(47,230)		(35,623)
Net Value	96,760		96,760		94,489
Aggregate amortization expense	2,708	$ 2,553	7,643	$ 6,788
Future estimated amortization expense
2017	2,572		2,572
2018	10,851		10,851
2019	10,667		10,667
2020	9,464		9,464
2021 and thereafter	63,206		$ 63,206
Weighted Average
Amortized intangible assets:
Amortization Period			11 years 9 months 18 days
Patents
Amortized intangible assets:
Gross Carrying Amount	7,695		$ 7,695		6,859
Accumulated Amortization	(7,680)		(7,680)		(6,839)
Net Value	15		$ 15		20
Patents | Weighted Average
Amortized intangible assets:
Amortization Period			2 months 12 days
Technology
Amortized intangible assets:
Gross Carrying Amount	46,817		$ 46,817		41,731
Accumulated Amortization	(13,610)		(13,610)		(10,040)
Net Value	33,207		$ 33,207		31,691
Technology | Weighted Average
Amortized intangible assets:
Amortization Period			15 years
Customer relationships
Amortized intangible assets:
Gross Carrying Amount	68,126		$ 68,126		63,006
Accumulated Amortization	(11,763)		(11,763)		(6,696)
Net Value	56,363		$ 56,363		56,310
Customer relationships | Weighted Average
Amortized intangible assets:
Amortization Period			12 years 2 months 12 days
License agreements and other
Amortized intangible assets:
Gross Carrying Amount	21,352		$ 21,352		18,516
Accumulated Amortization	(14,177)		(14,177)		(12,048)
Net Value	$ 7,175		$ 7,175		$ 6,468
License agreements and other | Weighted Average
Amortized intangible assets:
Amortization Period			7 years 7 months 6 days