Intangible Assets, Net (Tables)

6 Months Ended

Jul. 31, 2012

Finite-Lived Intangible Assets [Abstract]

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



	Useful Life	July 31, 2012		January 31, 2012
		(In thousands)
Gross carrying amount:
Intangible assets with finite lives:
Acquired technology	2 to 7 years	$	190,864	$	192,029
Customer relationships	4 to 10 years	260,425		261,338
Trade names	3 to 10 years	16,067		16,224
Non-competition agreements	4 to 10 years	5,762		5,779
Distribution network	10 years	2,440		2,440
Backlog	3 years	843		843
Total intangible assets with finite lives		476,401		478,653
In-process research and development with indefinite lives		2,500		2,500
		478,901		481,153
Accumulated amortization:
Acquired technology		150,245		136,709
Customer relationships		132,678		119,948
Trade names		13,544		13,205
Non-competition agreements		4,057		3,656
Distribution network		1,474		1,352
Backlog		48		19
		302,046		274,889
Total		$	176,855	$	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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