Restructuring Liabilities - Summary of Accrued Restructuring Charges (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Restructuring Reserve [Roll Forward]
Beginning balance	$ 204	$ 712	$ 2,843
Charged to restructuring costs	0	370	6,516
Paid or other adjustments	(204)	(878)	(8,647)
Ending balance	0	204	712
Lease Cancellations, Commitments and Other Charges
Restructuring Reserve [Roll Forward]
Beginning balance	0	228	1,881
Charged to restructuring costs	0	0	(36)
Paid or other adjustments	0	(228)	(1,617)
Ending balance	0	0	228
Termination Payments to Employees and Related Costs
Restructuring Reserve [Roll Forward]
Beginning balance	204	484	962
Charged to restructuring costs	0	370	6,552
Paid or other adjustments	(204)	(650)	(7,030)
Ending balance	$ 0	$ 204	$ 484