Acquired Intangible Assets (Tables)

12 Months Ended

Apr. 02, 2016

Intangible Assets Disclosure [Abstract]

Schedule of Finite and Indefinite Lived Intangible Assets

Acquired intangible assets as of April 2, 2016 and March 28, 2015 consisted of the following:

(In thousands, except years)	Weighted Average Useful Life (In years)	2016			2015
Developed technology	7.1	$	19,457		$	20,001
Customer relationships	5.6	3,154			3,154
Customer backlog	1.0	1,341			1,341
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	13.0	3,467			3,469
		28,292			28,838
Less accumulated amortization		(21,146		)	(19,880		)
		$	7,146		$	8,958

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)	2016		2015		2014
Cost of sales	$	1,140	$	1,095	$	2,293
Selling, general and administration	36		210		212
Research, development and engineering	200		197		480
	$	1,376	$	1,502	$	2,985

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
2017	$	1,089
2018	1,087
2019	1,087
2020	1,035
2021	1,012
Future years	1,836
	$	7,146