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Income Taxes (Effective Tax Rate Reconciliation) (Detail) - USD ($) | 12 Months Ended
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Jul. 02, 2022 | Jul. 03, 2021 | Jun. 27, 2020
Income Tax Disclosure [Abstract] |  |  |
Federal income tax provision at statutory rates | $ 775,000 | $ 1,242,000 | $ 907,000
State income taxes, net of federal tax effect | 86,000 | 76,000 | 90,000
Foreign tax rate differences | 336,000 | (36,000) | 336,000
Tax rate change | 0 | 184,000 | 0
Federal rate differences applied to net operating loss carryback | (593,000) | 0 | 0
Effect of income tax credits | (920,000) | (413,000) | (310,000)
Previously unrecognized tax benefits | 146,000 | (296,000) | (1,345,000)
Effect of repatriation of foreign earnings, net | 0 | (61,000) | 0
Tax penalties & interest | 179,000 | 0 | 0
Global Intangible Low-Taxed Income (GILTI) tax | 59,000 | 34,000 | 0
Provision to return reconciliation | (32,000) | 50,000 | (241,000)
Equity compensation shortfall | 104,000 | 572,000 | 0
Other | 174,000 | 220,000 | 124,000
Total income tax provision (benefit) | $ 314,000 | $ 1,572,000 | $ (439,000)

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