Intangible Assets

6 Months Ended

Jun. 30, 2011

Intangible Assets [Abstract]

Intangible Assets

9.   Intangible Assets

Acquired intangibles as of June 30, 2011, consist of the following:

			Accumulated
	Gross		Amortization			Net
	(In thousands)
Patents and technology rights	$	52,644	$	(48,470	)	$	4,174
Customer relationships		16,940		(10,157	)		6,783
Total intangibles	$	69,584	$	(58,627	)	$	10,957

Acquired intangibles as of December 31, 2010, consist of the following:

			Accumulated
	Gross		Amortization			Net
	(In thousands)
Patents and technology rights	$	52,587	$	(47,864	)	$	4,723
Customer relationships		16,940		(8,139	)		8,801
Total intangibles	$	69,527	$	(56,003	)	$	13,524

Amortization of identifiable intangible assets for the three months ended June 30, 2011 and 2010 was $1.3 million and $1.3 million, respectively. Amortization of identifiable intangible assets for the six months ended June 30, 2011 and 2010 was $2.6 million and $2.5 million, respectively. Based on the amortizing assets recognized in our balance sheet at June 30, 2011, amortization for each of the next five years is estimated as follows:

	(In thousands)
2011 Remaining	$	2,629
2012		3,725
2013		3,356
2014		644
2015		343
Thereafter		260
Total amortization	$	10,957