Income Taxes (Narrative) (Detail) - USD ($)	12 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Tax Credit Carryforward [Line Items]
Gross potential research and development (R&D) tax credit	$ 7,100,000
Income Tax Reconciliation Additional Repatriation Of Foreign Earnings	10,600,000
Estimated Federal And State Income Taxes And Potential Withholding Taxes	5,000,000
Undistributed Earnings of Foreign Subsidiaries	12,700,000
Unrecognized Deferred Tax Liability On Undistributed Earnings	2,500,000
Effect of repatriation of foreign earnings, net	$ (80,000)	$ 287,000	$ 188,000
Remaining Contractual Term Of Tax Credit Expiration Date	20 years
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	$ 726,000
Unrecognized Tax Benefits	3,446,000	3,072,000	3,031,000	$ 3,003,000
Deferred Income Tax Expense (Benefit)	(1,517,000)	$ (687,000)	$ 2,493,000
Research Tax Credit Carryforward
Tax Credit Carryforward [Line Items]
Gross potential research and development (R&D) tax credit	$ 5,600,000