Basis of Preparation and Summary of Significant Accounting Policies - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016
Property and equipment, net:
Buildings and improvements	$ 10,222	$ 10,389
Plant and machinery	99,779	59,696
Fixtures, fittings and equipment	3,225	3,005
Computer equipment	15,901	9,846
Property and equipment, gross	129,127	82,936
Less: accumulated depreciation	(14,794)	(17,891)
Total Property and equipment, net	114,333	$ 65,045
Assets disposed of and/or sold in the period	$ 13,000