Income Taxes - Reconciliations of Income Tax Provision at Statutory Rate to 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
Income Tax Disclosure [Abstract]
Tax expense at U.S. federal statutory rate									$ 20,609	$ 34,957	$ 3,206
Tax expense at state statutory rate									959	1,070	138
Other permanent adjustments									948	2,796	1,894
Foreign rate differential									(3,095)	(9,043)	(786)
Change in valuation allowance									(39,876)	(54,584)	(3,705)
Impact of Tax Cuts and Jobs Act - rate reduction									34,953	0	0
Other									(2,108)	(242)	102
Provision for (benefit from) income taxes	$ 2,587	$ 390	$ 3,176	$ 6,237	$ (26,110)	$ 621	$ 37	$ 406	$ 12,390	$ (25,046)	$ 849