Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 29, 2013	Dec. 30, 2012
Income Statement [Abstract]
Net revenues	$ 122,996	$ 122,145	$ 237,828	$ 241,412
Cost of sales:
Cost of goods sold	42,109	44,472	81,800	88,623
Amortization of core and developed technology intangible assets	6,239	5,149	12,399	10,297
Patent litigation damages, injunction related royalties and technology license fees	2,358	958	3,855	1,950
Total cost of sales	50,706	50,579	98,054	100,870
Gross profit	72,290	71,566	139,774	140,542
Operating expenses:
Engineering and development	42,020	40,113	82,431	78,583
Selling and marketing	19,849	14,769	38,941	28,506
General and administrative	10,407	10,987	20,036	19,495
Amortization of other intangible assets	1,603	1,365	3,207	2,888
Total operating expenses	73,879	67,234	144,615	129,472
Operating (loss) income	(1,589)	4,332	(4,841)	11,070
Non-operating income (expense), net:
Interest income	16	8	20	8
Interest expense	(1,148)	2	(1,150)	(4)
Other income (expense), net	(135)	(27)	17	(363)
Total non-operating income (expense), net	(1,267)	(17)	(1,113)	(359)
(Loss) income before income taxes	(2,856)	4,315	(5,954)	10,711
Income tax provision (benefit)	1,171	(1,268)	1,714	4,471
Net (loss) income	$ (4,027)	$ 5,583	$ (7,668)	$ 6,240
Net (loss) income per share:
Basic	$ (0.05)	$ 0.06	$ (0.09)	$ 0.07
Diluted	$ (0.05)	$ 0.06	$ (0.09)	$ 0.07
Number of shares used in per share computations:
Basic	86,881	90,063	89,162	89,705
Diluted	86,881	91,816	89,162	91,637