Other Intangible Assets

9 Months Ended

Sep. 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 September 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	$	37,922	$	(4,891	)	$	33,031		7
Trademarks and other		8,210		(805	)		7,405		8
Total amortizable intangibles		46,132		(5,696	)		40,436
Non-amortizable intangibles		5,154		—			5,154
Total other intangible assets	$	51,286	$	(5,696	)	$	45,590

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 nine months ended September 30, 2011 and 2010 is as follows (in thousands):

	September 30,
	2011		2010
Three months	$	989	$	1,177
Nine months		2,831		1,945

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)	$	1,021
2012		5,646
2013		7,541
2014		8,192
2015		7,675
Thereafter		10,361
	$	40,436