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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 28, 2020 | Jun. 30, 2019 | Jun. 24, 2018 | Jun. 25, 2017
Operating Loss Carryforwards [Line Items] |  |  |  |
Valuation allowance of deferred tax assets | $ 208.5 | $ 185.2 |  |
Foreign net operating loss carryforward | 16.4 |  |  |
Federal net operating loss carryforward | 795.9 |  |  |
State net operating loss carryforwards | 235.0 |  |  |
Unrecognized tax benefits | 7.4 | 8.2 | $ 8.6 | $ 13.3
Increase (decrease) in unrecognized tax benefits | (0.8) |  |  |
Estimated change in gross unrecognized tax benefits | 0.3 |  |  |
Interest and penalties expense related to unrecognized tax benefits (less than) | 0.1 |  |  |
Interest and penalties accrued related to unrecognized tax benefits (less than) | 0.1 |  |  |
Undistributed earnings of foreign subsidiaries | 63.2 |  |  |
Undistributed earnings of foreign subsidiaries expected to be repatriated | 56.1 |  |  |
Undistributed foreign earnings on which income taxes have not been provided | 7.1 |  |  |
Income tax expense (benefit) if foreign earnings are repatriated | 0.4 |  |  |
Domestic Tax Authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Increase (decrease) in valuation allowance of operating loss carryforward | 27.6 |  |  |
Valuation allowance of deferred tax assets |  | 177.6 |  |
Tax credit carryforward | 67.8 |  |  |
Foreign Tax Authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Increase (decrease) in valuation allowance of operating loss carryforward | 4.3 |  |  |
Valuation allowance of deferred tax assets |  | $ 7.6 |  |
Valuation allowance of net operating loss carryforwards | 13.4 |  |  |
Net operating loss carryforward not subject to expiration | 6.3 |  |  |
Net operating loss carryforward subject to expiration | 10.1 |  |  |
State and Local Jurisdiction |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carryforward | $ 2.5 |  |  |

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