Goodwill and Intangible Assets, Net - Components of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2014	Jun. 29, 2014
Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets, net, gross	$ 345,871	$ 345,871
Total intangible assets, net, accumulated amortization	(251,749)	(237,864)
Total amortizable intangible assets, net	94,122	108,007
Core technology and patents [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	77,345	77,345
Total amortizable intangible assets, accumulated amortization	(76,692)	(76,172)
Total amortizable intangible assets, net	653	1,173
Developed technology [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	254,900	254,900
Total amortizable intangible assets, accumulated amortization	(165,558)	(152,850)
Total amortizable intangible assets, net	89,342	102,050
Customer relationships [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	4,900	4,900
Total amortizable intangible assets, accumulated amortization	(3,535)	(3,089)
Total amortizable intangible assets, net	1,365	1,811
Tradenames [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	8,439	8,439
Total amortizable intangible assets, accumulated amortization	(5,696)	(5,524)
Total amortizable intangible assets, net	2,743	2,915
Other [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Total amortizable intangible assets, gross	287	287
Total amortizable intangible assets, accumulated amortization	(268)	(229)
Total amortizable intangible assets, net	$ 19	$ 58