Basis of Preparation and Summary of Significant Accounting Policies - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Property and equipment, net:
Buildings and improvements	$ 12,086	$ 10,222
Plant and machinery	137,301	99,779
Fixtures, fittings and equipment	3,526	3,225
Computer software and equipment	22,721	15,901
Property and equipment, gross	175,634	129,127
Less: accumulated depreciation	(38,196)	(14,794)
Total Property and equipment, net	137,438	114,333
(Gain) loss on disposal of property and equipment	1,581	$ (130)	$ 32
Equipment Related to High-bit Products
Property and equipment, net:
(Gain) loss on disposal of property and equipment	$ 1,400

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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Amount before accumulated depreciation of fixtures and equipment. Includes, but is not limited to, machinery, equipment, and engines.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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