Condensed Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jan. 01, 2012	Dec. 26, 2010
Cash flows from operating activities:
Net income	$ 5,689	$ 11,641
Adjustments to reconcile net income to net cash provided by operating activities:
Decrease in accrued investment income	1,539	1,479
Depreciation	2,602	3,148
Amortization of intangible assets	1,030	1,031
Change in value / loss on value of UBS option to put securities	0	2,429
Auction rate securities mark to market, trading gain	0	(2,429)
Provision for doubtful accounts receivable, net of reversals	(72)	30
Excess and obsolete inventory	474	(100)
Deferred income taxes	(30)	(569)
Loss on retirement of assets	0	109
Stock-based compensation	3,176	2,485
Unrealized foreign exchange gain	(649)	(1,157)
Changes in operating assets and liabilities, net
Accounts receivable	(5,263)	(4,793)
Inventories	(282)	(2,294)
Prepaid expenses and other assets	6,172	(4,886)
Accounts payable	828	(2,434)
Accrued compensation and benefits	(701)	1,447
Restructuring liabilities	(2,449)	(1,677)
Accrued warranty	11	(359)
Deferred revenue, net	1,898	2,943
Deferred distributors revenue, net of cost of sales to distributors	(2,061)	(1,239)
Other accrued liabilities	(7,579)	7,397
Other long-term liabilities	(379)	(2,605)
Net cash provided by operating activities	3,954	9,597
Cash flows used in investing activities:
Capital expenditures	(2,011)	(2,407)
Purchases of investments	(34,015)	(70,147)
Proceeds from maturities of investments and marketable securities	13,889	11,800
Proceeds from sales of investments and marketable securities	18,192	45,481
Net cash used in investing activities	(3,945)	(15,273)
Cash flows provided by financing activities:
Proceeds from issuance of common stock	698	273
Net cash provided by financing activities	698	273
Foreign currency effect on cash	(1,260)	337
Net decrease in cash and cash equivalents	(553)	(5,066)
Cash and cash equivalents at beginning of period	49,972	51,944
Cash and cash equivalents at end of period	$ 49,419	$ 46,878