Other Intangible Assets

6 Months Ended

Jun. 30, 2011

Goodwill and Other Intangible Assets [Abstract]

OTHER INTANGIBLE ASSETS

NOTE 11. OTHER INTANGIBLE ASSETS

Included in our other intangible assets are assets acquired in a business combination that are used in research and development activities. These assets are considered to have indefinite lives until the completion or abandonment of the associated research and development efforts and are presented as non-amortizable intangibles in the tables below.

Our other intangible assets consisted of the following as of June 30, 2011 (in thousands, except weighted-average useful life):

								Weighted-
	Gross							Average
	Carrying		Accumulated			Net Carrying		Useful Life
	Amount		Amortization			Amount		in Years
Amortizable intangibles:
Technology-based	$	33,811	$	(3,972	)	$	29,839	7
Trademarks and other		8,210		(735	)		7,475	8
Total amortizable intangibles		42,021		(4,707	)		37,314
Non-amortizable intangibles		9,265		—			9,265
Total other intangible assets	$	51,286	$	(4,707	)	$	46,579

Our other intangible assets consisted of the following as of December 31, 2010 (in thousands, except weighted-average useful life):

								Weighted-
	Gross							Average
	Carrying		Accumulated			Net Carrying		Useful Life
	Amount		Amortization			Amount		in Years
Amortizable intangibles:
Technology-based	$	31,553	$	(2,271	)	$	29,282	7
Trademarks and other		8,210		(594	)		7,616	8
Total amortizable intangibles		39,763		(2,865	)		36,898
Non-amortizable intangibles		11,523		—			11,523
Total other intangible assets	$	51,286	$	(2,865	)	$	48,421

Amortization expense relating to other intangible assets included in our income from continuing operations for the three months and six months ended June 30, 2011 and 2010 is as follows (in thousands):

	June 30,
	2011		2010
Three months	$	921	$	767
Six months		1,842		767

Our estimated amortization expense for each of the five years 2011 through 2015 and thereafter is as follows (in thousands):

Year Ending December 31,
2011 (Remaining)	$	1,863
2012		5,178
2013		6,948
2014		7,523
2015		6,980
Thereafter		8,822
	$	37,314