The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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GOODWILL AND OTHER INTANGIBLE ASSETS (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Amortized intangible assets:
Gross Carrying Amount	$ 92,902		$ 92,902		$ 94,278
Accumulated Amortization	(43,658)		(43,658)		(42,318)
Net Value	49,244		49,244		51,960
Aggregate amortization expense	1,245	317	2,482	666
Future estimated amortization expense
2013	2,459		2,459
2014	4,901		4,901
2015	4,728		4,728
2016	4,096		4,096
2017	3,409		3,409
2018 and thereafter	29,651		29,651
Weighted Average
Amortized intangible assets:
Amortization Period			10 years
Patents
Amortized intangible assets:
Gross Carrying Amount	19,314		19,314		19,570
Accumulated Amortization	(18,762)		(18,762)		(18,894)
Net Value	552		552		676
Patents \| Weighted Average
Amortized intangible assets:
Amortization Period			7 years
Acquired Technology
Amortized intangible assets:
Gross Carrying Amount	38,399		38,399		38,928
Accumulated Amortization	(2,560)		(2,560)		(1,298)
Net Value	35,839		35,839		37,630
Acquired Technology \| Weighted Average
Amortized intangible assets:
Amortization Period			15 years
License agreements and other
Amortized intangible assets:
Gross Carrying Amount	35,189		35,189		35,780
Accumulated Amortization	(22,336)		(22,336)		(22,126)
Net Value	$ 12,853		$ 12,853		$ 13,654
License agreements and other \| Weighted Average
Amortized intangible assets:
Amortization Period			5 years