Intangibles, net and Goodwill (Schedule of Gross Carrying Amount and Amortization of Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Mar. 25, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 264,949	$ 236,203
Accumulated Amortization	(153,402)	(101,015)
Core technology
Finite-Lived Intangible Assets [Line Items]
Gross Amount	1,390	1,390
Accumulated Amortization	(1,390)	(1,390)
License agreement
Finite-Lived Intangible Assets [Line Items]
Gross Amount	440	440
Accumulated Amortization	$ (440)	$ (440)
Existing technology
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period	6 years 1 month 6 days	6 years 1 month 6 days
Gross Amount	$ 117,976	$ 117,975
Accumulated Amortization	$ (75,048)	$ (53,960)
In-process research & development (“IPR&D”)
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period	5 years 9 months 18 days	5 years 9 months 18 days
Gross Amount	$ 97,972	$ 72,750
Accumulated Amortization	$ (49,556)	$ (24,245)
Trademarks and tradename
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period	10 years	10 years
Gross Amount	$ 3,037	$ 3,037
Accumulated Amortization	$ (2,333)	$ (2,208)
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period	10 years	10 years
Gross Amount	$ 15,381	$ 15,381
Accumulated Amortization	(5,732)	(4,191)
Backlog
Finite-Lived Intangible Assets [Line Items]
Gross Amount	220	220
Accumulated Amortization	(220)	(220)
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Amount	470	470
Accumulated Amortization	$ (470)	$ (470)
Technology licenses
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period	3 years	3 years
Gross Amount	$ 28,063	$ 24,540
Accumulated Amortization	$ (18,213)	$ (13,891)