Property and Equipment - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2018	Jun. 24, 2017
Property Plant And Equipment Useful Life And Values [Abstract]
Retirement of fully amortized property	$ 8.2	$ 10.8

Amount of divestiture of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentDisposals
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration