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Income Taxes (Effective Tax Rate Reconciliation) (Detail) - USD ($)	12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Income Tax Disclosure [Abstract]
Federal income tax provision at statutory rates	$ (397,000)	$ 2,467,000	$ 2,771,000
State income taxes, net of federal tax effect	(4,000)	175,000	250,000
Foreign tax rate differences	103,000	(156,000)	(442,000)
Tax rate change	1,634,000	0	0
Provisional transition tax on accumulated foreign earnings	1,190,000	0	0
Effect of income tax credits	(687,000)	(738,000)	(1,254,000)
Effect of repatriation of foreign earnings, net	(1,484,000)	199,000	(161,000)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	(401,000)	8,000	(75,000)
Other	(71,000)	(316,000)	529,000
Total income tax provision	$ (117,000)	$ 1,639,000	$ 1,618,000

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Effective Income Tax Rate Reconciliation, Transition Impact of US Tax Reform, Amount

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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