GOODWILL AND OTHER INTANGIBLE ASSETS (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Amortized intangible assets:
Gross Carrying Amount	$ 96,028		$ 96,028		$ 94,278
Accumulated Amortization	(46,271)		(46,271)		(42,318)
Net Value	49,757		49,757		51,960
Aggregate amortization expense	1,266	1,232	3,748	1,898
Future estimated amortization expense
2013	1,260		1,260
2014	4,966		4,966
2015	4,786		4,786
2016	4,141		4,141
2017	3,505		3,505
2018 and thereafter	31,099		31,099
Weighted Average
Amortized intangible assets:
Amortization Period			10 years
Patents
Amortized intangible assets:
Gross Carrying Amount	20,033		20,033		19,570
Accumulated Amortization	(19,542)		(19,542)		(18,894)
Net Value	491		491		676
Patents | Weighted Average
Amortized intangible assets:
Amortization Period			7 years
Acquired Technology
Amortized intangible assets:
Gross Carrying Amount	39,906		39,906		38,928
Accumulated Amortization	(3,325)		(3,325)		(1,298)
Net Value	36,581		36,581		37,630
Acquired Technology | Weighted Average
Amortized intangible assets:
Amortization Period			15 years
License agreements and other
Amortized intangible assets:
Gross Carrying Amount	36,089		36,089		35,780
Accumulated Amortization	(23,404)		(23,404)		(22,126)
Net Value	$ 12,685		$ 12,685		$ 13,654
License agreements and other | Weighted Average
Amortized intangible assets:
Amortization Period			5 years