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Summary of Significant Accounting Policies (Detail) - USD ($) | 12 Months Ended
--- | ---
Jun. 25, 2017 | Jun. 26, 2016 | Jun. 28, 2015
Accounting Policies [Abstract] |  |  |
Impairments of goodwill | $ 0 | $ 0 | $ 79,444,000
Indefinite-lived intangible asset impairment charge | 0 | 0 | 0
Impairment loss on long-lived assets | $ 0 | $ 0 | $ 9,800,000
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 |  |
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 |  |  |
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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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