Goodwill and Intangible Assets (Tables)

9 Months Ended

Oct. 28, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill Balances

Goodwill balances as of October 28, 2012 and January 29, 2012 are presented below:

(in thousands)	Carrying Amount
Balance as of January 29, 2012	$	129,651
Acquisition of Gennum Corporation	262,815
Acquisition of Cycleo SAS	2,042
Balance as of October 28, 2012	$	394,508

Schedule of Finite-Lived Intangible Assets

The following table sets forth the Company’s finite-lived intangible assets resulting from business acquisitions, which continue to be amortized:

(in thousands)		October 28, 2012							January 29, 2012
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Core technologies	2-10 years	$	173,724	$	(35,362	)	$	138,362	$	65,900	$	(21,031	)	$	44,869
Customer relationships	7-10 years	40,130		(6,397		)	33,733		12,130		(2,929		)	9,201
Technology licenses (1)	5-10 years	5,664		(748		)	4,916		3,000		(250		)	2,750
Other intangibles assets	1-5 years	6,600		(3,268		)	3,332		—		—			—
Total finite-lived intangible assets		$	226,118	$	(45,775	)	$	180,343	$	81,030	$	(24,210	)	$	56,820

(1) Technology licenses relate to licensing agreements entered into by the Company. Amortization expense related to technology licenses is reported as “Product development and engineering” in the Unaudited Consolidated Condensed Statements of Income.

Future Amortization Expense for Intangible Assets

The estimated annual amount of future amortization expense for finite-lived intangible assets will be as follows:

(in thousands)
To be recognized in:	Technology license		Sierra Monolithics		Gennum		Cycleo		Total
Remainder of fiscal year 2013	$	250	$	2,218	$	5,698	$	252	$	8,418
Fiscal year 2014	1,000		8,870		18,778		1,007		29,655
Fiscal year 2015	972		8,870		18,132		1,007		28,981
Fiscal year 2016	936		8,870		17,586		1,007		28,399
Fiscal year 2017	686		8,870		17,499		1,007		28,062
Thereafter	1,072		16,650		38,017		1,089		56,828
Total expected amortization expense	$	4,916	$	54,348	$	115,710	$	5,369	$	180,343

Schedule of Indefinite-Lived Intangible Assets

The following table sets forth the Company’s indefinite-lived intangible assets resulting from business acquisitions:

(in thousands)	October 28, 2012							January 29, 2012
	Gross Carrying Amount		Accumulated Impairment Loss			Net Carrying Amount		Gross Carrying Amount		Accumulated Impairment Loss			Net Carrying Amount
In-process research and development	$	34,870	$	(3,170	)	$	31,700	$	12,370	$	(2,470	)	$	9,900
Total indefinite-lived intangible assets	$	34,870	$	(3,170	)	$	31,700	$	12,370	$	(2,470	)	$	9,900