GOODWILL AND OTHER INTANGIBLE ASSETS (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Amortized intangible assets:
Gross Carrying Amount	$ 89,032		$ 89,032		$ 95,970
Accumulated Amortization	(46,481)		(46,481)		(46,019)
Net Value	42,551		42,551		49,951
Aggregate amortization expense	1,283	1,266	4,050	3,748
Future estimated amortization expense
2014	1,291		1,291
2015	4,960		4,960
2016	4,024		4,024
2017	3,338		3,338
2018 and thereafter	28,938		28,938
Weighted Average
Amortized intangible assets:
Amortization Period			10 years
Patents
Amortized intangible assets:
Gross Carrying Amount	18,282		18,282		20,165
Accumulated Amortization	(18,067)		(18,067)		(19,732)
Net Value	215		215		433
Patents | Weighted Average
Amortized intangible assets:
Amortization Period			7 years
Acquired technology
Amortized intangible assets:
Gross Carrying Amount	37,260		37,260		40,546
Accumulated Amortization	(5,589)		(5,589)		(4,055)
Net Value	31,671		31,671		36,491
Acquired technology | Weighted Average
Amortized intangible assets:
Amortization Period			15 years
License agreements and other
Amortized intangible assets:
Gross Carrying Amount	33,490		33,490		35,259
Accumulated Amortization	(22,825)		(22,825)		(22,232)
Net Value	$ 10,665		$ 10,665		$ 13,027
License agreements and other | Weighted Average
Amortized intangible assets:
Amortization Period			5 years