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Intangible Assets (Tables)

6 Months Ended

Jul. 31, 2011


(in thousands)	Estimated Useful Life		Gross Carrying Amount				Accumulated Amortization						Net Book Value
(in thousands)	Estimated Useful Life		July 31, 2011		January 30, 2011		July 31, 2011			January 30, 2011			July 31, 2011		January 30, 2011
Core technologies		2-10 years	$	65,900	$	65,900	$	(17,532	)	$	(14,006	)	$	48,368	$	51,894
In-process research and development		Indefinite		12,370		12,370		—			—			12,370		12,370
Customer relationships		8-10 years		12,130		12,130		(2,250	)		(1,571	)		9,880		10,559

Total other intangibles			$	90,400	$	90,400	$	(19,782	)	$	(15,577	)	$	70,618	$	74,823

- Definition

Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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