Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jul. 03, 2011	Jun. 27, 2010
Cash flows from operating activities:
Net income	$ 15,872	$ 2,713	$ 227
Adjustments to reconcile net income to net cash provided by operating activities:
Decrease in accrued investment income	(2,786)	(2,900)	(1,194)
Depreciation and amortization	5,348	6,811	5,588
Amortization of intangible assets	1,818	2,080	1,322
Change in value / loss on value of UBS option to put securities	0	2,429	2,091
Auction rate securities mark to market, trading (gain)	0	2,429	2,091
Provision for (recovery of) doubtful accounts	127	(9)	(26)
Provision for excess and obsolete inventory	1,089	2,232	1,866
Deferred income taxes	37	(928)	21
Loss on retirement of assets	103	582	178
Stock-based compensation	6,189	5,248	6,235
Non-cash restructuring charge, net of reversal	0	0	379
Foreign exchange gain on dissolution of entity	(1,887)	0	0
Unrealized loss on foreign exchange transactions	(904)	(714)	(167)
Changes in operating assets and liabilities, net
Accounts receivable	7,603	(8,376)	4,414
Inventories	6,115	1,977	11,320
Prepaid expenses and other assets	(5,289)	8,581	2,882
Accounts payable	3,918	(3,453)	5,773
Accrued compensation and benefits	(850)	(2,581)	946
Restructuring liabilities	(2,696)	(213)	(3,734)
Accrued warranty	231	(529)	0
Deferred revenue, net	2,355	(212)	(299)
Deferred revenue, net of cost of sales to distributors	(1,233)	(1,793)	8,524
Other accrued liabilities	(9,232)	8,103	(536)
Other long-term liabilities	(829)	(1,278)	2,068
Net cash provided by operating activities	13,813	16,777	10,943
Cash flows (used in) provided by investing activities:
Capital expenditures	(5,237)	(5,697)	(5,109)
Purchases of investments	(75,851)	(111,798)	(51,552)
Proceeds from maturities of investments and marketable securities	30,295	33,600	34,452
Proceeds from sales of investments and marketable securities	40,658	61,816	13,435
Purchases of intangible assets	(275)	0	0
Net cash (used in) investing activities	(10,410)	(22,079)	(8,774)
Cash flows provided by (used in) financing activities:
Proceeds from issuance of common stock	1,392	1,530	1,085
Deposit received from sale of building	1,001	1,000	0
Net cash provided by financing activities	2,393	2,530	1,085
Foreign currency effect on cash	(1,172)	800	(543)
Net increase (decrease) in cash and cash equivalents	4,624	(1,972)	2,711
Cash and cash equivalents at beginning of period	49,972	51,944	49,233
Cash and cash equivalents at end of period	54,596	49,972	51,944
Supplemental disclosure of cash flow information:
Interest paid	75	132	141
Cash paid for income taxes, net	$ 2,615	$ 1,759	$ 1,197