Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2017	Apr. 01, 2016
Operating Activities
Net income (loss)	$ 791	$ (14,496)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization of property, plant and equipment	4,540	5,044
(Recovery) provision for uncollectible receivables	(874)	1,100
Share-based compensation	1,511	1,382
Deferred tax assets, net	320	498
Charges for inventory and customer service inventory write-downs	1,026	3,598
Loss on disposition of property, plant and equipment	116	621
Gain on liquidation of subsidiary	(349)	0
Changes in operating assets and liabilities:
Accounts receivable	19,220	16,495
Unbilled costs	(4,662)	9,184
Inventories	7,632	(4,367)
Customer service inventories	25	1,946
Accounts payable	(2,127)	(12,001)
Accrued expenses	(1,591)	(696)
Advance payments and unearned income	(9,375)	(1,999)
Income taxes payable or receivable	1,214	(667)
Other assets and liabilities	(3,467)	1,431
Net cash provided by operating activities	13,950	7,073
Investing Activities
Payments for acquisition of property, plant and equipment	(3,195)	(1,297)
Net cash used in investing activities	(3,195)	(1,297)
Financing Activities
Proceeds from borrowings	24,000	27,000
Repayments of borrowings	(25,000)	(27,000)
Proceeds from issuance of common stock under employee stock plans	9	11
Net cash (used in) provided by financing activities	(991)	11
Effect of exchange rate changes on cash and cash equivalents	(333)	(800)
Net Increase in Cash and Cash Equivalents	9,431	4,987
Cash and Cash Equivalents, Beginning of Period	30,479	34,735
Cash and Cash Equivalents, End of Period	$ 39,910	$ 39,722