Post-Retirement Benefits - Reconciliation of Actuarial Present Value of Projected Benefit Obligations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Amounts recognized in accumulated other comprehensive income, net of tax:
Pension actuarial loss	$ 101	$ 150
Foreign Plan | Japan
Change in projected benefit obligation:
Projected benefit obligation, beginning of period	6,552	6,912
Service cost	637	624	$ 560
Interest cost	19	4	48
Benefits paid	(85)	(197)
Actuarial (gain) loss on obligation	(57)	(213)
Currency translation adjustment	83	(578)
Projected benefit obligation, end of period	7,149	6,552	$ 6,912
Accrued expenses and other liabilities:
Underfunded pension liability	264	117
Other non-current liabilities:
Underfunded pension liability	6,885	6,435
Amounts recognized in accumulated other comprehensive income, net of tax:
Pension actuarial loss	$ 101	$ 150