Discontinued Operations (Details) - High-Speed Converter Business - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	May. 30, 2014	Jun. 29, 2014	Apr. 03, 2016	Mar. 29, 2015	Mar. 30, 2014	Apr. 27, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill and long-lived assets impairment			$ 0	$ 8,471	$ 4,797
Goodwill impairment					2,200
Long-lived assets impairment					2,600
Cash proceeds from sale (including amounts held in escrow)	$ 18,000			18,000
Cash held in escrow related to HSC	2,700
Gain on divestiture		$ 16,800	0	$ 16,840	$ 0
Fixed assets held-for-sale	2,900
HSC long-lived assets held-for-sale	8,500
Intangible assets held-for-sale	$ 5,600
Other Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds from sale (including amounts held in escrow)			$ 1,500
Sale of remaining HSC business to eSilicon						$ 1,500