Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Other Long-Term Liabilities (Details) - USD ($) $ in Millions |
Jun. 28, 2026 |
Sep. 29, 2025 |
Jun. 29, 2025 |
|---|---|---|---|
| Accounting Policies [Abstract] | |||
| Reinstatement of long-term operating lease liabilities from liabilities subject to compromise | $ 99.2 | $ 139.5 | |
| Long-term RF supply agreement liabilities | 47.0 | 44.5 | |
| Long-term customer deposits | 4.3 | 15.6 | |
| Other | 3.2 | 3.5 | |
| Net change in other long-term liabilities | $ 153.7 | $ 184.7 | $ 203.1 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are expected to be paid after one year (or the normal operating cycle, if longer), from the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Long-term Customer Deposits No definition available.
|