Intangible Assets, Net (Tables)

9 Months Ended

Oct. 31, 2011


	Useful Life	October 31, 2011		January 31, 2011
		(In thousands)
Gross carrying amount:
Acquired technology	2 to 7 years	$	190,272	$	164,796
Customer relationships	4 to 10 years		263,001		233,995
Trade names	1to 10 years		15,983		12,952
Non-competition agreements	4to 10 years		5,797		5,215
Sales backlog	3years		843		—
Distribution network	10years		2,440		2,440

			478,336		419,398
Accumulated amortization:
Acquired technology			130,130		110,740
Customer relationships			114,029		95,753
Trade names			13,102		12,577
Non-competition agreements			3,462		2,760
Sales backlog			5		—
Distribution network			1,291		1,108

			262,019		222,938

Total		$	216,317	$	196,460

- 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.

+ References+ Details