Intangible Assets, Net (Tables)

3 Months Ended

Apr. 30, 2012

Finite-Lived Intangible Assets [Abstract]

Intangible assets, net as of April 30, 2012 and January 31, 2012 were as follows:



	Useful Life	April 30, 2012		January 31, 2012
		(In thousands)
Gross carrying amount:
Intangible assets with finite lives:
Acquired technology	4 to 7 years	$	192,355	$	192,029
Customer relationships	4 to 10 years	262,440		261,338
Trade names	3 to 10 years	16,265		16,224
Non-competition agreements	3 to 10 years	5,783		5,779
Distribution network	10 years	2,440		2,440
Backlog	3 years	843		843
Total intangible assets with finite lives		480,126		478,653
In-process research and development with indefinite lives		2,500		2,500
		482,626		481,153
Accumulated amortization:
Acquired technology		143,946		136,709
Customer relationships		127,261		119,948
Trade names		13,462		13,205
Non-competition agreements		3,868		3,656
Distribution network		1,413		1,352
Backlog		33		19
		289,983		274,889
Total		$	192,643	$	206,264

- 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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