Goodwill and Purchased Intangible Assets - Amortization Expense by Classification Included in Consolidated Statements of Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 29, 2015	Mar. 30, 2014	Mar. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 17,504	$ 2,387	$ 1,223
Cost of Revenues [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	16,801	2,387	1,223
Sales and Marketing [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 703