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Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Other Operating Expense (Details) - USD ($) $ in Millions | 12 Months Ended
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Jun. 29, 2025 | Jun. 30, 2024 | Jun. 25, 2023
Accounting Policies [Abstract] |  |  |
Pre-petition charges | $ 55.8 | $ 0.0 | $ 0.0
Impairment losses on abandoned property and equipment | 176.5 | 1.2 | 2.0
Legal settlements | 17.0 | 0.0 | 0.0
Restructuring and other exit costs | 134.9 | 0.0 | 0.0
Project, transformation and transaction costs | 29.5 | 18.3 | 7.4
Executive severance costs | 1.4 | 0.0 | 3.4
Other | 2.5 | 1.1 | 1.7
Restructuring and other expenses | $ 417.6 | $ 20.6 | $ 14.5

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- Definition Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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