Acquired Intangible Assets (Tables)

12 Months Ended

Mar. 29, 2014

Intangible Assets Disclosure [Abstract]

Schedule of Finite and Indefinite Lived Intangible Assets

Acquired intangible assets as of March 29, 2014 and March 30, 2013 consisted of the following:

(In thousands, except years)	Weighted Average Useful Life (In years)	2014			2013
Developed technology	7.7	$	13,315		$	13,073
Customer relationships	5.6	3,154			3,154
Customer backlog	1	1,250			750
Trade name and trademarks	3	463			463
Fair value of below-market lease (non-current portion)	3.8	310			310
Change of control agreements	1	100			100
Patents	13.1	3,427			3,427
In-process research and development	Indefinite	3,204			3,204
		25,223			24,481
Less accumulated amortization		(18,378		)	(15,393		)
Total acquired intangible assets		$	6,845		$	9,088

Schedule of Components of Amortization Expense

Amortization expense for acquired intangible assets has been recorded on the Consolidated Statements of Operations as follows:

(In thousands)	2014		2013		2012
Cost of sales	$	2,293	$	4,239	$	1,157
Selling, service and administration	212		305		315
Research, development and engineering	480		240		250
	$	2,985	$	4,784	$	1,722

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The estimated amortization expense for acquired intangible assets in future years is as follows (in thousands):

Year	Amortization
2015	$	1,388
2016	925
2017	810
2018	801
2019	802
Future years	2,119
	$	6,845