Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jul. 01, 2016	Jul. 03, 2015
Operating Activities
Net (loss) income	$ (621)	$ (29,637)	$ (24,554)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Amortization of identifiable intangible assets	0	0	380
Depreciation and amortization of property, plant and equipment	5,840	6,648	7,242
(Recovery) provision for uncollectible receivables	(580)	1,532	880
Share-based compensation	2,111	1,836	2,187
Deferred tax assets, net	75	(334)	(4,711)
Charges for inventory and customer service inventory write-downs	1,137	9,868	8,043
Gain on disposition of WiMAX business	0	0	(85)
Loss on disposition of property, plant and equipment, net	153	827	384
Gain on liquidation of subsidiary	(349)	0	0
Changes in operating assets and liabilities:
Accounts receivable	18,178	17,023	(8,816)
Unbilled receivables	(6,986)	12,041	6,125
Inventories	6,383	(4,995)	(663)
Customer service inventories	90	2,419	2,285
Accounts payable	608	(13,976)	1,562
Accrued expenses	(1,310)	(599)	(4,140)
Advance payments and unearned income	(13,099)	(4,425)	4,666
Income taxes payable or receivable	1,415	2	1,450
Other assets and liabilities	(3,640)	2,126	(1,833)
Net cash provided by (used in) operating activities	9,405	356	(9,598)
Investing Activities
Payments for acquisition of property, plant and equipment	(4,021)	(1,574)	(3,693)
Purchase of short-term investments	(139)	(222)	0
Maturities of short-term investments	122	0	0
Net cash used in investing activities	(4,038)	(1,796)	(3,693)
Financing Activities
Proceeds from borrowings	33,000	36,000	54,000
Repayments of borrowings	(33,000)	(36,000)	(51,000)
Proceeds from issuance of common stock under employee stock plans	21	13	13
Payments on capital lease obligations	0	0	(140)
Net cash provided by financing activities	21	13	2,873
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(244)	(2,347)	(4,246)
Net increase (decrease) in cash, cash equivalents and restricted cash	5,144	(3,774)	(14,664)
Cash, cash equivalents and restricted cash, beginning of year	31,425	35,199	49,863
Cash, cash equivalents and restricted cash, end of year	36,569	31,425	35,199
Non-cash investing activities
Reclassification of property, plant and equipment to inventory	0	1,094	0
Unpaid property, plant and equipment	1,219	1,261	319
Supplemental disclosures of cash flow information:
Cash paid for interest	94	111	387
Cash (refunded) paid for income taxes, net	$ (313)	$ 1,964	$ 2,042