Business Combination - Intangible Assets Acquired (Details) - Solarflare $ in Thousands	9 Months Ended
	Dec. 28, 2019 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Total identifiable intangible assets	$ 106,000
In-process research and development
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets acquired	30,000
Trade names & trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 2,000
Amortization Life	2 years
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 34,000
Amortization Life	5 years
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 40,000
Amortization Life	5 years