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Shareholders' Equity - Additional Information (Details) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 24, 2017 | Jun. 25, 2017 | Jun. 26, 2016
Stockholders Equity Note [Abstract] |  |  |
Payments of Dividends | $ 0 | $ 0 | $ 0

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- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Balance Type: | na
Period Type: | duration