GOODWILL AND OTHER INTANGIBLE ASSETS (Summary of Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Amortized intangible assets:
Gross Carrying Amount	$ 147,768		$ 147,768		$ 75,016
Accumulated Amortization	(44,225)		(44,225)		(43,487)
Net Value	103,543		103,543		31,529
Aggregate amortization expense	2,749	$ 1,085	4,235	$ 2,166
Future estimated amortization expense
2016	5,082		5,082
2017	10,079		10,079
2018	10,083		10,083
2019	9,883		9,883
2020 and thereafter	68,416		$ 68,416
Weighted Average
Amortized intangible assets:
Amortization Period			10 years 9 months 18 days
Patents
Amortized intangible assets:
Gross Carrying Amount	15,647		$ 15,647		15,358
Accumulated Amortization	(15,621)		(15,621)		(15,330)
Net Value	26		$ 26		28
Patents | Weighted Average
Amortized intangible assets:
Amortization Period			1 month 6 days
Acquired technology
Amortized intangible assets:
Gross Carrying Amount	43,949		$ 43,949		32,030
Accumulated Amortization	(9,104)		(9,104)		(7,475)
Net Value	34,845		$ 34,845		24,555
Acquired technology | Weighted Average
Amortized intangible assets:
Amortization Period			14 years 10 months 24 days
Customer relationships
Amortized intangible assets:
Gross Carrying Amount	65,239		$ 65,239		6,406
Accumulated Amortization	(4,125)		(4,125)		(1,493)
Net Value	61,114		$ 61,114		4,913
Customer relationships | Weighted Average
Amortized intangible assets:
Amortization Period			11 years 9 months 18 days
License agreements and other
Amortized intangible assets:
Gross Carrying Amount	22,933		$ 22,933		21,222
Accumulated Amortization	(15,375)		(15,375)		(19,189)
Net Value	$ 7,558		$ 7,558		$ 2,033
License agreements and other | Weighted Average
Amortized intangible assets:
Amortization Period			7 years 3 months 18 days