Income Taxes - Components of Income Tax Provision (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Current:
Domestic									$ 8	$ 6	$ 16
Foreign									3,138	629	1,023
Deferred:
Domestic									0	0	0
Foreign									9,244	(25,681)	(190)
Provision for (benefit from) income taxes	$ 2,587	$ 390	$ 3,176	$ 6,237	$ (26,110)	$ 621	$ 37	$ 406	$ 12,390	$ (25,046)	$ 849