Goodwill and Intangible Assets, Net - Amortization Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 03, 2016	Mar. 29, 2015	Mar. 30, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 15,354	$ 6,573	$ 24,793
Goodwill and acquisition-related intangible asset impairment		5,600
Existing technology
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	6,052	4,534	19,730
Goodwill and acquisition-related intangible asset impairment		4,600
Trademark
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	726	916	3,405
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	2,253	1,123	916
Goodwill and acquisition-related intangible asset impairment		900
Order backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	4,504	0	91
Intellectual property licenses
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	1,819	0	0
Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 0	0	651
Goodwill and acquisition-related intangible asset impairment		$ 100
Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	1 year
Minimum | Intellectual property licenses
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	3 years
Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	7 years 6 months
Maximum | Intellectual property licenses
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	7 years 6 months
Cost of revenue | IPR&D
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets			8,700
Research and development | IPR&D
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill and acquisition-related intangible asset impairment			$ 2,400