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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 26, 2021 | Jun. 26, 2022 | Jun. 27, 2021 | Jun. 28, 2020 | Jun. 30, 2019
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Valuation allowance of deferred tax assets |  | $ 339.2 | $ 414.4 |  |
Income tax expense (benefit) |  | 9.0 | 1.1 | $ (8.0) |
Foreign net operating loss carryforward |  | 2.4 |  |  |
Federal net operating loss carryforward |  | 1,500.0 |  |  |
State net operating loss carryforwards |  | 313.4 |  |  |
Unrecognized tax benefits |  | 7.2 | 7.4 | 7.4 | $ 8.2
Increase (decrease) in unrecognized tax benefits |  | (0.2) |  |  |
Estimated change in gross unrecognized tax benefits |  | 0.4 |  |  |
Interest and penalties expense related to unrecognized tax benefits (less than) |  | 0.1 | 0.1 | $ 0.1 |
Interest and penalties accrued related to unrecognized tax benefits (less than) |  | 0.1 |  |  |
Undistributed earnings of foreign subsidiaries |  | 206.3 |  |  |
Undistributed earnings of foreign subsidiaries expected to be repatriated |  | 190.3 |  |  |
Foreign income taxes incurred |  | 7.4 |  |  |
Undistributed foreign earnings on which income taxes have not been provided |  | 16.0 |  |  |
Income tax expense (benefit) if foreign earnings are repatriated |  | 0.3 |  |  |
Domestic Tax Authority |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Valuation allowance of deferred tax assets |  |  | 292.6 |  |
Increase (decrease) in valuation allowance of operating loss carryforward |  | 46.6 |  |  |
Tax credit carryforward |  | 83.9 |  |  |
Foreign Tax Authority |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Valuation allowance of deferred tax assets |  |  | $ 121.8 |  |
Deferred tax assets | $ 121.8 |  |  |  |
Valuation allowance of net operating loss carryforwards |  | 0.1 |  |  |
Net operating loss carryforward not subject to expiration |  | 2.4 |  |  |
Foreign Tax Authority | Luxembourg Holding Company |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Income tax expense (benefit) | 7.3 |  |  |  |
Decrease in valuation allowance | $ 129.1 |  |  |  |
State and Local Jurisdiction |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Tax credit carryforward |  | $ 1.2 |  |  |

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