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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of other-than-temporary impairment (OTTI) on investment in debt security, recognized in earnings.

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The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 24, 2018	Jun. 25, 2017
Accounting Policies [Abstract]
Impairments of goodwill	$ 0	$ 0	$ 0
Impairment loss on long-lived assets	0	0	0
Other-than-temporary impairment charge		$ 42,456,000	$ 0
Other-than-temporary impairment charge	$ 0
Equipment \| Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	3 years
Equipment \| Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	5 years
Office equipment, furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	5 years
Computer Software \| Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	3 years
Computer Software \| Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	5 years
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, useful life	25 years