Goodwill and Intangible Assets, Net - Components of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 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	(244,818)	(237,864)
Total amortizable intangible assets, net	101,053	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	(76,432)	(76,172)
Total amortizable intangible assets, net	913	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	(159,204)	(152,850)
Total amortizable intangible assets, net	95,696	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	(3,312)	(3,089)
Total amortizable intangible assets, net	1,588	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	(5,610)	(5,524)
Total amortizable intangible assets, net	2,829	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	(260)	(229)
Total amortizable intangible assets, net	$ 27	$ 58