Revenue Components, Geographic Revenues and Significant Customers - Schedule of Net Revenues by Geographic Area (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
Revenues from External Customers and Long-Lived Assets [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
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									193,853	191,481	209,590
Asia-Pacific and Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									226,213	166,568	158,075
Europe, Middle East and Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									83,045	85,572	92,695
Rest of world [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									$ 17,087	$ 17,286	$ 24,178