Condensed Consolidated Statements of Operations (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 01, 2012	Dec. 26, 2010	Jan. 01, 2012	Dec. 26, 2010
Net revenues:
Product	$ 68,094	$ 70,334	$ 131,307	$ 139,547
Service	14,718	14,797	30,399	29,421
Total net revenues	82,812	85,131	161,706	168,968
Cost of revenues:
Product	30,821	30,893	60,299	61,723
Service	5,723	6,257	11,603	12,428
Total cost of revenues	36,544	37,150	71,902	74,151
Gross profit:
Product	37,273	39,441	71,008	77,824
Service	8,995	8,540	18,796	16,993
Total gross profit	46,268	47,981	89,804	94,817
Operating expenses:
Sales and marketing	22,734	25,087	44,855	49,993
Research and development	11,082	12,028	23,490	24,889
General and administrative	7,954	5,963	14,224	12,548
Restructuring charge, net of reversal	437	0	1,392	0
Litigation settlement	0	(4,200)	0	(4,200)
Total operating expenses	42,207	38,878	83,961	83,230
Operating income	4,061	9,103	5,843	11,587
Interest income	342	332	635	661
Interest expense	(38)	(29)	(75)	(59)
Other income (expense)	(39)	117	17	(158)
Income before income taxes	4,326	9,523	6,420	12,031
Provision for income taxes	219	594	731	390
Net income	$ 4,107	$ 8,929	$ 5,689	$ 11,641
Basic and diluted net income per share:
Net income per share - basic (in dollars per share)	$ 0.04	$ 0.10	$ 0.06	$ 0.13
Net income per share - diluted (in dollars per share)	$ 0.04	$ 0.10	$ 0.06	$ 0.13
Shares used in per share calculation - basic (in shares)	93,247	90,878	92,978	90,592
Shares used in per share calculation - diluted (in shares)	94,118	91,274	94,056	90,942