Income Taxes (Narrative) (Detail) - USD ($)	12 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Income Tax Disclosure [Abstract]
Tax Credit Carryforwards	$ 7,900,000
Tax Credit Carryforwards, R&D	7,100,000
Income Tax Reconciliation Additional Repatriation Of Foreign Earnings	11,900,000
Estimated Federal And State Income Taxes And Potential Withholding Taxes	5,900,000
Undistributed Earnings of Foreign Subsidiaries	13,500,000
Unrecognized Deferred Tax Liability On Undistributed Earnings	2,100,000
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	$ 0	$ 0	$ (1,502,000)
Remaining Contractual Term Of Tax Credit Expiration Date	20 years
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	$ 726,000
Unrecognized Tax Benefits	$ 3,760,000	$ 3,446,000	$ 3,072,000	$ 3,031,000