Contingent Liabilities - Additional Information (Detail) $ in Thousands	3 Months Ended
	Sep. 26, 2015 USD ($) Facility project Location	Sep. 27, 2014 USD ($)	Jun. 27, 2015 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Environmental remediation contingency, project nearing completion | project	4
Reserves related to environmental matters | $	$ 4,659		$ 4,711
Expenses related to environmental matters | $	$ 52	$ 205
Environmental remediation contingency, project in process | project	4
Environmental remediation contingency, previously purchased locations | Location	3
Environmental remediation contingency, number of sites for environmental assessments	6
Locations with Violations | Location	4
Loss contingency, preliminary allegation, locations	8