Income Taxes (Effective Tax Rate Reconciliation) (Detail) - USD ($)	12 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jul. 01, 2017
Income Tax Disclosure [Abstract]
Federal income tax provision at statutory rates	$ (1,836,000)	$ (397,000)	$ 2,467,000
State income taxes, net of federal tax effect	(158,000)	(4,000)	175,000
Foreign tax rate differences	251,000	103,000	(156,000)
Tax rate change	0	1,634,000	0
Provisional transition tax on accumulated foreign earnings	(384,000)	1,190,000	0
Effect of income tax credits	(861,000)	(687,000)	(738,000)
Effect of repatriation of foreign earnings, net	(42,000)	(1,484,000)	199,000
Goodwill write-off	1,726,000	0	0
Global Intangible Low-Taxed Income (GILTI) tax	150,000	0	0
Provision to return reconciliation	630,000	(401,000)	8,000
Other	(234,000)	(71,000)	(316,000)
Total income tax provision (benefit)	$ (758,000)	$ (117,000)	$ 1,639,000