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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

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Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fresh Start Accounting - Fair Value Adjustment of Property and Equipment Due to the Adoption of Fresh Start Accounting (Details) - USD ($) $ in Millions	Dec. 28, 2025	Sep. 29, 2025	Jun. 29, 2025
Reorganization, Chapter 11 [Line Items]
Finance lease - (see Adjustment 21)	$ 2.2		$ 8.3
Property and equipment, net	$ 770.3	$ 769.2	$ 3,916.5
Fresh-Start Adjustments
Reorganization, Chapter 11 [Line Items]
Finance lease - (see Adjustment 21)		(5.6)
Property and equipment, net		(3,006.6)
Land \| Fresh-Start Adjustments
Reorganization, Chapter 11 [Line Items]
Property and equipment gross		14.7
Building \| Fresh-Start Adjustments
Reorganization, Chapter 11 [Line Items]
Property and equipment gross		$ (1,195.7)
Building \| Fresh-Start Adjustments \| Minimum
Reorganization, Chapter 11 [Line Items]
Estimated Useful Life (in Years)		5 years
Building \| Fresh-Start Adjustments \| Maximum
Reorganization, Chapter 11 [Line Items]
Estimated Useful Life (in Years)		40 years
Machinery and equipment \| Fresh-Start Adjustments
Reorganization, Chapter 11 [Line Items]
Property and equipment gross		$ (537.1)
Machinery and equipment \| Fresh-Start Adjustments \| Minimum
Reorganization, Chapter 11 [Line Items]
Estimated Useful Life (in Years)		3 years
Machinery and equipment \| Fresh-Start Adjustments \| Maximum
Reorganization, Chapter 11 [Line Items]
Estimated Useful Life (in Years)		10 years
Leasehold improvements \| Fresh-Start Adjustments
Reorganization, Chapter 11 [Line Items]
Property and equipment gross		$ (91.7)
Furniture and fixtures \| Fresh-Start Adjustments
Reorganization, Chapter 11 [Line Items]
Property and equipment gross		$ (2.3)
Estimated Useful Life (in Years)		5 years
Computer hardware/software \| Fresh-Start Adjustments
Reorganization, Chapter 11 [Line Items]
Property and equipment gross		$ (35.7)
Computer hardware/software \| Fresh-Start Adjustments \| Minimum
Reorganization, Chapter 11 [Line Items]
Estimated Useful Life (in Years)		3 years
Computer hardware/software \| Fresh-Start Adjustments \| Maximum
Reorganization, Chapter 11 [Line Items]
Estimated Useful Life (in Years)		10 years
Vehicles \| Fresh-Start Adjustments
Reorganization, Chapter 11 [Line Items]
Property and equipment gross		$ 0.0
Estimated Useful Life (in Years)		5 years
Tooling \| Fresh-Start Adjustments
Reorganization, Chapter 11 [Line Items]
Property and equipment gross		$ (5.2)
Tooling \| Fresh-Start Adjustments \| Minimum
Reorganization, Chapter 11 [Line Items]
Estimated Useful Life (in Years)		3 years
Tooling \| Fresh-Start Adjustments \| Maximum
Reorganization, Chapter 11 [Line Items]
Estimated Useful Life (in Years)		10 years
Construction in progress \| Fresh-Start Adjustments
Reorganization, Chapter 11 [Line Items]
Property and equipment gross		$ (1,148.0)