GOODWILL AND OTHER INTANGIBLE ASSETS (Summary of Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Amortized intangible assets:
Gross Carrying Amount	$ 341,548		$ 341,548		$ 146,103
Accumulated Amortization	(58,438)		(58,438)		(50,643)
Net Value	283,110		283,110		95,460
Aggregate amortization expense	4,005	$ 2,708	9,578	$ 7,643
Future estimated amortization expense
2018	6,023		6,023
2019	23,888		23,888
2020	22,786		22,786
2021	22,407		22,407
2022 and thereafter	208,006		$ 208,006
Weighted Average
Amortized intangible assets:
Amortization Period			13 years 2 months 12 days
Patents
Amortized intangible assets:
Gross Carrying Amount	7,645		$ 7,645		7,819
Accumulated Amortization	(7,535)		(7,535)		(7,806)
Net Value	110		$ 110		13
Patents | Weighted Average
Amortized intangible assets:
Amortization Period			3 months 18 days
Technology
Amortized intangible assets:
Gross Carrying Amount	93,171		$ 93,171		47,571
Accumulated Amortization	(16,786)		(16,786)		(14,624)
Net Value	76,385		$ 76,385		32,947
Technology | Weighted Average
Amortized intangible assets:
Amortization Period			13 years 6 months
Customer relationships
Amortized intangible assets:
Gross Carrying Amount	199,591		$ 199,591		68,886
Accumulated Amortization	(18,162)		(18,162)		(13,401)
Net Value	181,429		$ 181,429		55,485
Customer relationships | Weighted Average
Amortized intangible assets:
Amortization Period			14 years 7 months 6 days
Trademarks and trade names
Amortized intangible assets:
Gross Carrying Amount	21,333		$ 21,333		6,965
Accumulated Amortization	(5,311)		(5,311)		(4,485)
Net Value	16,022		$ 16,022		2,480
Trademarks and trade names | Weighted Average
Amortized intangible assets:
Amortization Period			7 years
License agreements and other
Amortized intangible assets:
Gross Carrying Amount	19,808		$ 19,808		14,862
Accumulated Amortization	(10,644)		(10,644)		(10,327)
Net Value	$ 9,164		$ 9,164		$ 4,535
License agreements and other | Weighted Average
Amortized intangible assets:
Amortization Period			9 years 3 months 18 days