Acquired Intangible Assets - Components of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 02, 2016	Mar. 28, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 28,292	$ 28,838
Less accumulated amortization	(21,146)	(19,880)
Total acquired intangible assets	7,146	8,958
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 19,457	20,001
Weighted average useful life	7 years 1 month 15 days
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 3,154	3,154
Weighted average useful life	5 years 6 months 25 days
Customer backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 1,341	1,341
Weighted average useful life	1 year
Trade name and trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 463	463
Weighted average useful life	3 years
Fair value of below-market lease
Acquired Finite-Lived Intangible Assets [Line Items]
Below Market Lease, Gross	$ 310	310
Weighted average useful life	3 years 9 months 18 days
Change of control agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 100	100
Weighted average useful life	1 year
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 3,467	$ 3,469
Weighted average useful life	13 years 16 days