Goodwill and Intangible Assets, Net - Components of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2015	Jun. 29, 2014
Finite-Lived Intangible Assets [Line Items]
Total amortizable intangible assets, accumulated amortization	$ (258,506)	$ (237,864)
Total intangible assets, net, gross	323,265	345,871
Total amortizable intangible assets, net	64,759	108,007
Core technology and patents [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	77,345	77,345
Total amortizable intangible assets, accumulated amortization	(76,952)	(76,172)
Total amortizable intangible assets, net	393	1,173
Developed technology [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	232,945	254,900
Total amortizable intangible assets, accumulated amortization	(171,744)	(152,850)
Total amortizable intangible assets, net	61,201	102,050
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	4,900	4,900
Total amortizable intangible assets, accumulated amortization	(3,758)	(3,089)
Total amortizable intangible assets, net	1,142	1,811
Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	7,789	8,439
Total amortizable intangible assets, accumulated amortization	(5,777)	(5,524)
Total amortizable intangible assets, net	2,012	2,915
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	286	287
Total amortizable intangible assets, accumulated amortization	(275)	(229)
Total amortizable intangible assets, net	$ 11	$ 58