Acquired Intangible Assets (Tables)

12 Months Ended

Mar. 30, 2013

Intangible Assets Disclosure [Abstract]

Schedule of Finite and Indefinite Lived Intangible Assets

Acquired intangible assets as of March 30, 2013 and March 31, 2012 consisted of the following:



(In thousands, except years)	Weighted Average Useful Life (In years)	2013			2012
Developed technology	7.8	$	13,073		$	8,100
Customer relationships	5.6	3,154			2,700
Customer backlog	1	750			700
Trade name and trademarks	3	463			400
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 development¹	Indefinite	3,204			3,204
		24,481			18,941
Less accumulated amortization		(15,393		)	(10,609		)
Total non-current acquired intangible assets		9,088			8,332
Fair value of below-market lease (current portion)		—			110
Less accumulated amortization		—			(110		)
Total acquired intangible assets		$	9,088		$	8,332

1. In the fourth quarter of 2013, the Company identified IPR&D programs that we no longer expect to derive value from. As a result, the Company accelerated amortization of $2.3 million on these assets. See Note 6 “Business Acquisition” for additional discussion on these IPR&D programs.

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)	2013		2012		2011
Cost of sales	$	4,239	$	1,157	$	1,157
Selling, service and administration	305		315		576
Research, development and engineering	240		250		231
	$	4,784	$	1,722	$	1,964

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
2014	$	2,160
2015	1,441
2016	949
2017	909
2018	906
Future years	2,723
	$	9,088