Basis of Presentation and New Accounting Standards - Schedule of Non-Operating Income, Net (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|---|
Mar. 29, 2026 |
Sep. 29, 2025 |
Mar. 30, 2025 |
Mar. 29, 2026 |
Mar. 30, 2025 |
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| Accounting Policies [Abstract] | |||||
| Changes in fair value of liability classified derivative contracts | $ (28.7) | $ 0.0 | $ 0.0 | $ (87.8) | $ 0.0 |
| Interest income | (10.9) | (8.9) | (19.4) | (20.5) | (58.6) |
| Loss on Wafer Supply Agreement | 0.0 | 0.0 | 9.2 | ||
| Gain on RTP Fab Transfer | (25.4) | 0.0 | 0.0 | ||
| Realized loss on MACOM Shares | 0.0 | 10.9 | 24.9 | 0.0 | 9.2 |
| Gain on contingent cash | (10.0) | 0.0 | 0.0 | (10.0) | 0.0 |
| Loss on debt extinguishment | 2.8 | 0.0 | 0.0 | 2.8 | 0.0 |
| Other, net | 0.6 | 1.0 | 0.0 | 2.3 | 1.7 |
| Non-operating (income) expense, net | $ (46.2) | $ (22.4) | $ 5.5 | $ (113.2) | $ (38.5) |
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- References No definition available.
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- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Gain (Loss) On Contingent Cash No definition available.
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- Definition Gain (Loss) On Supply Agreement No definition available.
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