Property Plant And Equipment (Schedule Of Property Plant And Equipment) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Property, Plant and Equipment [Line Items]
Land	$ 2,940	$ 2,940
Buildings and improvements	23,158	23,737
Equipment	57,848	53,095
Furniture and fixtures	3,512	2,924
Property, plant and equipment, gross	87,458	82,696
Accumulated depreciation	(56,962)	(54,771)
Property, plant and equipment, net	$ 30,496	$ 27,925	$ 26,974
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	30 years
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	1 year
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	5 years