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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Dec. 29, 2019 | Jun. 30, 2019
Operating Loss Carryforwards [Line Items] |  |
Unrecognized tax benefits | $ 8.2 | $ 8.2
Increase (decrease) in unrecognized tax benefits during the period | 0.0 |
Estimated change in gross unrecognized tax benefits | 0.9 |
Domestic Tax Authority |  |
Operating Loss Carryforwards [Line Items] |  |
Valuation allowance of deferred tax assets |  | 177.6
Foreign Tax Authority |  |
Operating Loss Carryforwards [Line Items] |  |
Valuation allowance of deferred tax assets |  | $ 7.6
Increase (decrease) in valuation allowance of operating loss carryforward | $ 2.8 |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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