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Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Non-cash Operating Activities (Details) - USD ($) $ in Millions | 12 Months Ended
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Jun. 29, 2025 | Jun. 30, 2024 | Jun. 25, 2023
Accounting Policies [Abstract] |  |  |
Lease asset and liability additions | $ 35.2 | $ 5.6 | $ 63.8
Lease asset and liability modifications, net | 3.2 | 4.4 | 0.4
Lease impairment | (4.8) | 0.0 | 0.0
Receivables for property, plant and equipment related insurance proceeds | 0.0 | 2.2 | 0.0
Proceeds from sale of business received in common stock | 0.0 | 60.8 | 0.0
Decrease in property, plant and equipment from investment tax credit receivables | 303.3 | 474.4 | 167.4
Receivable in connection with short-term investment maturities | 0.0 | 25.0 | 0.0
Decrease in property, plant and equipment from long-term incentive related receivables | 0.0 | 114.3 | 114.0
Accrued property and equipment as of the fiscal year end date | $ 124.7 | $ 366.0 | $ 328.4

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