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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Dec. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets Excluding Goodwill | Intangible assets consist of the following (in millions):
|  | As of |  | As of
| Weighted Average Amortization Period (Years) | December 30, 2022 |  | September 30, 2022
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Customer relationships and backlog | 2.3 | $ | 154.6 |  |  | $ | (143.9) |  |  | $ | 10.7 |  |  | $ | 154.6 |  |  | $ | (122.3) |  |  | $ | 32.3 |
Developed technology and other | 6.0 | 1,288.6 |  |  | (253.6) |  |  | 1,035.0 |  |  | 1,280.9 |  |  | (209.2) |  |  | 1,071.7 |
Technology licenses | 2.7 | 74.3 |  |  | (20.1) |  |  | 54.2 |  |  | 105.1 |  |  | (45.2) |  |  | 59.9 |
In-process research and development |  | 273.1 |  |  | — |  |  | 273.1 |  |  | 280.8 |  |  | — |  |  | 280.8 |
Total intangible assets |  | $ | 1,790.6 |  |  | $ | (417.6) |  |  | $ | 1,373.0 |  |  | $ | 1,821.4 |  |  | $ | (376.7) |  |  | $ | 1,444.7 |
Schedule Of Expected Annual Amortization Expense Related To Intangible Assets For The Next Five Years | Annual amortization expense for the next five fiscal years related to definite-lived intangible assets, excluding IPR&D, is expected to be as follows (in millions):
| Remaining 2023 |  | 2024 |  | 2025 |  | 2026 |  | 2027 |  | Thereafter
Amortization expense | $ | 153.9 |  |  | $ | 178.3 |  |  | $ | 154.9 |  |  | $ | 127.0 |  |  | $ | 111.7 |  |  | $ | 374.1 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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