Purchased Intangible Assets - Components of Purchased Intangible Assets (Detail) - USD ($) $ in Thousands	Apr. 03, 2016	Mar. 29, 2015
Schedule of Acquired Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Purchased definite-lived intangible assets, gross carrying value	$ 80,850	$ 80,850
Purchased definite-lived intangible assets, accumulated amortization	39,052	24,391
Purchased definite-lived intangible assets, net carrying value	41,798	56,459
In-process research and development, gross carrying value and net carrying value	21,200	21,200
Purchased intangible assets, gross carrying value	102,050	102,050
Purchased intangible assets, net carrying value	62,998	77,659
Developed Technology [Member]
Schedule of Acquired Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Purchased definite-lived intangible assets, gross carrying value	72,121	72,121
Purchased definite-lived intangible assets, accumulated amortization	35,128	21,536
Purchased definite-lived intangible assets, net carrying value	36,993	50,585
Customer Relationships [Member]
Schedule of Acquired Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Purchased definite-lived intangible assets, gross carrying value	5,400	5,400
Purchased definite-lived intangible assets, accumulated amortization	1,378	703
Purchased definite-lived intangible assets, net carrying value	4,022	4,697
Other [Member]
Schedule of Acquired Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Purchased definite-lived intangible assets, gross carrying value	3,329	3,329
Purchased definite-lived intangible assets, accumulated amortization	2,546	2,152
Purchased definite-lived intangible assets, net carrying value	$ 783	$ 1,177