Goodwill and Intangible Assets, Net - Goodwill Activity (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 01, 2018	Apr. 02, 2017
Goodwill [Roll Forward]
Beginning Balance	$ 306,925	$ 305,733
Impairment - the Disposal Group		(161)
Ending Balance	420,117	306,925
Accumulated impairment loss	920,300	920,300
Communications
Goodwill [Roll Forward]
Beginning Balance	122,687	122,848
Impairment - the Disposal Group		(161)
Ending Balance	141,300	122,687
Computing, Consumer and Industrial
Goodwill [Roll Forward]
Beginning Balance	184,238	182,885
Impairment - the Disposal Group		0
Ending Balance	278,817	184,238
Synkera Technologies, Inc.
Goodwill [Roll Forward]
Additions		1,353
Synkera Technologies, Inc. \| Communications
Goodwill [Roll Forward]
Additions		0
Synkera Technologies, Inc. \| Computing, Consumer and Industrial
Goodwill [Roll Forward]
Additions		$ 1,353
GigPeak, Inc.
Goodwill [Roll Forward]
Additions	113,192
Ending Balance	113,192
GigPeak, Inc. \| Communications
Goodwill [Roll Forward]
Additions	18,613
GigPeak, Inc. \| Computing, Consumer and Industrial
Goodwill [Roll Forward]
Additions	$ 94,579

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section 45
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