Acquisitions - Narrative (Details) - USD ($)				3 Months Ended			6 Months Ended
	Aug. 10, 2017	Apr. 04, 2017	Jul. 22, 2016	Oct. 01, 2017	Jul. 02, 2017	Oct. 02, 2016	Oct. 01, 2017	Oct. 02, 2016
Business Acquisition [Line Items]
Payments to acquire assets							$ 12,956,000	$ 0
Revenue attributable to Gigpeak				$ 204,398,000		$ 184,059,000	401,111,000	$ 376,187,000
GigPeak, Inc.
Business Acquisition [Line Items]
Total purchase price		$ 250,117,000
Revenue attributable to Gigpeak				13,100,000			28,200,000
Cash paid at closing		246,717,000
Synkera Technologies, Inc.
Business Acquisition [Line Items]
Total purchase price			$ 2,800,000
Cash paid at closing			1,500,000
Contingent consideration liability			1,300,000
Contingent cash consideration (up to)			$ 1,500,000
Period of cash consideration paid upon achievement of certain milestones			3 years 6 months
Selling, General and Administrative Expenses | GigPeak, Inc.
Business Acquisition [Line Items]
Acquisition related costs					$ 2,200,000
Restricted Stock Units (RSUs)
Business Acquisition [Line Items]
Compensation cost not yet recognized				51,900,000			$ 51,900,000
Compensation cost not yet recognized, period for recognition							1 year 8 months 9 days
Restricted Stock Units (RSUs) | GigPeak, Inc.
Business Acquisition [Line Items]
Fair value of partially vested employee equity awards related to pre-combination services		3,400,000
Compensation cost not yet recognized		$ 3,400,000
Compensation cost not yet recognized, period for recognition		2 years 7 months 6 days
Developed Technology
Business Acquisition [Line Items]
Consideration transferred for assets	$ 17,000,000
Payments to acquire assets	12,900,000
Intangible assets acquired	$ 17,000,000
Estimated Useful Life (in years)	7 years
Developed technology | GigPeak, Inc.
Business Acquisition [Line Items]
Estimated Useful Life (in years)		5 years
Discount rate							16.00%
Customer relationships | GigPeak, Inc.
Business Acquisition [Line Items]
Estimated Useful Life (in years)		5 years
Discount rate							17.00%
Order backlog | GigPeak, Inc.
Business Acquisition [Line Items]
Estimated Useful Life (in years)		1 year
Discount rate							5.00%
Software licenses
Business Acquisition [Line Items]
Intangible assets acquired				4,800,000
In-process research and development (IPR&D) | GigPeak, Inc.
Business Acquisition [Line Items]
Discount rate							17.00%
Contingent consideration liability				$ 7,500,000			$ 7,500,000
Maximum | Software licenses | GigPeak, Inc.
Business Acquisition [Line Items]
Estimated Useful Life (in years)		1 year
Senior Notes | Term B Loan
Business Acquisition [Line Items]
Principal amount of debt		$ 200,000,000