Income Taxes - Components of Income Tax Provision (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Mar. 26, 2016	Dec. 26, 2015	Sep. 26, 2015	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Current:
Domestic									$ 6	$ 16	$ (5)
Foreign									629	1,023	543
Deferred:
Domestic									0	0	0
Foreign									(25,681)	(190)	(210)
Provision for (benefit from) income taxes	$ (26,110)	$ 621	$ 37	$ 406	$ (1,511)	$ 476	$ 985	$ 899	$ (25,046)	$ 849	$ 328