Property, Plant and Equipment - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Sep. 28, 2013	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Property Plant And Equipment [Abstract]
Depreciation expense for property, plant and equipment		$ 1,900	$ 1,800	$ 1,700
Amount of depreciation allocated to cost of goods sold		800	800	700
Property, plant and equipment, net. (carrying value of disposed assets)	$ 200
Proceeds from disposal of property	$ 500	$ 3	521	$ 135
Gain on disposal of property			$ 300