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Summary of Significant Accounting Policies (Details) - USD ($) | 12 Months Ended
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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 |  |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266 + Details
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