Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jul. 03, 2011
Cash flows from operating activities:
Net income	$ 9,673	$ 15,872	$ 2,713
Adjustments to reconcile net income to net cash provided by operating activities:
Decrease in accrued investment income	1,600	2,786	2,900
Depreciation and amortization	4,543	5,348	6,811
Amortization of intangible assets	1,488	1,818	2,080
Change in value / loss on value of UBS option to put securities	0	0	2,429
Auction rate securities mark to market, trading (gain)	0	0	(2,429)
Provision for (recovery of) doubtful accounts	(173)	127	(9)
Deferred income taxes	(35)	37	(928)
Loss on retirement of assets	0	103	582
Stock-based compensation	7,353	6,189	5,248
Gain on disposition of long lived assets, net	(11,285)	0	0
Foreign exchange gain on dissolution of entity	0	(1,887)	0
Unrealized gain/(loss) on foreign exchange transactions	291	(904)	(714)
Changes in operating assets and liabilities, net
Accounts receivable	(6,304)	(7,603)	8,376
Inventories	10,442	(5,026)	255
Prepaid expenses and other assets	1,877	5,289	(8,581)
Accounts payable	7,726	3,918	(3,453)
Accrued compensation and benefits	95	(850)	(2,581)
Restructuring liabilities	1,003	(2,696)	(213)
Accrued warranty	425	231	(529)
Deferred revenue, net	2,127	2,355	(212)
Deferred revenue, net of cost of sales to distributors	2,069	(1,233)	(1,793)
Other accrued liabilities	(1,542)	(9,232)	8,103
Other long-term liabilities	864	(829)	(1,278)
Net cash provided by operating activities	32,237	13,813	16,777
Cash flows (used in) provided by investing activities:
Capital expenditures	(12,737)	(5,237)	(5,697)
Purchases of investments	(57,712)	(75,851)	(111,798)
Proceeds from maturities of investments and marketable securities	16,367	30,295	33,600
Proceeds from sales of investments and marketable securities	28,528	40,658	61,816
Purchases of intangible assets	(625)	(275)	0
Proceeds from sales of facilities	42,659	0	0
Net cash provided by (used in) investing activities	16,480	(10,410)	(22,079)
Cash flows provided by (used in) financing activities:
Proceeds from issuance of common stock	7,084	1,392	1,530
Repurchase of common stock	(14,475)	0	0
Deposit received from sale of building	0	1,001	1,000
Net cash provided by (used in) financing activities	(7,391)	2,393	2,530
Foreign currency effect on cash	(119)	(1,172)	800
Net increase (decrease) in cash and cash equivalents	41,207	4,624	(1,972)
Cash and cash equivalents at beginning of period	54,596	49,972
Cash and cash equivalents at end of period	95,803	54,596	49,972
Supplemental disclosure of cash flow information:
Interest paid	0	75	132
Cash paid for income taxes, net	1,534	2,615	1,759
Unpaid capital expenditures	$ 7,001	$ 562	$ 0