Acquired Intangible Assets (Tables)

12 Months Ended

Apr. 01, 2017

Intangible Assets Disclosure [Abstract]

Schedule of Finite and Indefinite Lived Intangible Assets

Acquired intangible assets as of April 1, 2017 and April 2, 2016 consisted of the following:

(In thousands, except years)	Weighted Average Useful Life (In years)	2017			2016
Developed technology	7.5	$	18,646		$	19,457
Customer relationships	5.3	3,914			3,154
Customer backlog	1.0	1,270			1,341
Trade name and trademarks	3.8	793			463
Fair value of below-market lease (non-current portion)	3.8	310			310
Change of control agreements and non-compete agreements	2.1	160			100
Patents	13.3	3,465			3,467
		28,558			28,292
Less accumulated amortization		(21,994		)	(21,146		)
		$	6,564		$	7,146

Schedule of Components of Amortization Expense

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

(In thousands)	2017		2016		2015
Cost of sales	$	1,133	$	1,140	$	1,095
Selling, general and administration	209		36		210
Research, development and engineering	188		200		197
	$	1,530	$	1,376	$	1,502

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
2018	$	1,433
2019	1,439
2020	1,406
2021	1,228
2022	690
Future years	368
	$	6,564