Goodwill and Intangible Assets (Tables)

3 Months Ended

Jul. 01, 2012

Goodwill and Intangible Assets [Abstract]

Purchased intangible assets

Our purchased intangible assets as of the dates indicated below were as follows (in thousands):

	July 1, 2012							April 1, 2012
	Carrying Amount		Accumulated Amortization			Net Carrying Amount		Carrying Amount		Accumulated Amortization			Net Carrying Amount
Existing technology	$	35,236	$	(28,151	)	$	7,085	$	34,848	$	(27,286	)	$	7,562
Patents/Core technology		3,736		(2,983	)		753		3,736		(2,855	)		881
Distributor relationships		1,264		(1,144	)		120		1,264		(1,119	)		145
Customer relationships		2,905		(1,833	)		1,072		2,905		(1,751	)		1,154
Tradenames/Trademarks		1,025		(1,025	)		—		1,025		(1,012	)		13
Total	$	44,166	$	(35,136	)	$	9,030	$	43,778	$	(34,023	)	$	9,755

Aggregated amortization expenses for our purchased intangible assets

The aggregate amortization expenses for our purchased intangible assets for the periods indicated below were as follows:

		Three Months Ended
	Weighted Average Lives	July 1, 2012		July 3, 2011
	(in months)	(in thousands)
Existing technology	66	$	865	$	949
Patents/Core technology	61		128		129
Distributor relationships	72		25		25
Customer relationships	80		82		81
Tradenames/Trademarks	35		13		67
Total		$	1,113	$	1,251

Estimated future amortization expenses for our purchased intangible assets

The estimated future amortization expenses for our purchased intangible assets are summarized below (in thousands):

Amortization Expense (by fiscal year)
2013 (9 months remaining)	$	3,127
2014		3,692
2015		1,301
2016		704
2017		182
2018 and thereafter		24
Total estimated amortization	$	9,030