Revenue Components, Geographic Revenues and Significant Customers - Schedule of Net Revenues by Product Category (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 29, 2015	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 29, 2015	Mar. 30, 2014	Mar. 31, 2013
Revenue from External Customer [Line Items]
Net revenues	$ 133,043	$ 140,203	$ 127,503	$ 119,449	$ 115,720	$ 119,449	$ 112,622	$ 113,116	$ 520,198	$ 460,907	$ 484,538
Advanced Connectivity Platforms [Member]
Revenue from External Customer [Line Items]
Net revenues									465,000	386,738	399,416
Legacy Connectivity Products [Member]
Revenue from External Customer [Line Items]
Net revenues									$ 55,198	$ 74,169	$ 85,122