Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Other Operating Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
Sep. 29, 2025 |
Jun. 28, 2026 |
Jun. 29, 2025 |
Jun. 30, 2024 |
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| Accounting Policies [Abstract] | ||||
| Pre-petition charges | $ 0.0 | $ 0.0 | $ 55.8 | $ 0.0 |
| Impairment losses on abandoned assets | 0.1 | 2.6 | 176.5 | 1.2 |
| Legal settlements | 0.0 | 0.0 | 17.0 | 0.0 |
| Restructuring and other exit costs | 3.6 | 15.0 | 134.9 | 0.0 |
| Project, transformation and transaction costs | 13.8 | 25.2 | 29.5 | 18.3 |
| Amortization of fresh start accounting and acquisition-related intangibles | 0.0 | 11.9 | 1.1 | 1.1 |
| Executive severance costs | 0.0 | 0.0 | 1.4 | 0.0 |
| Other | 2.9 | 0.0 | 1.4 | 0.0 |
| Restructuring and other expenses | $ 20.4 | $ 54.7 | $ 417.6 | $ 20.6 |
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- References No definition available.
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- Definition The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expense classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. No definition available.
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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amortization Or Impairment Of Intangible Assets No definition available.
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- Definition Bankruptcy Claims, Pre-Petition Charges No definition available.
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- Definition Operating Lease And Finance Lease Impairment Loss No definition available.
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- Definition Project, Transformation And Transaction Expense No definition available.
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