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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Apr. 01, 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) | April 1, 2022 |  | October 1, 2021
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Customer relationships and backlog | 2.3 | 154.6 |  |  | (79.0) |  |  | 75.6 |  |  | 174.3 |  |  | (44.0) |  |  | 130.3 |
Developed technology and other | 4.1 | 1,154.6 |  |  | (120.9) |  |  | 1,033.7 |  |  | 1,036.9 |  |  | (88.0) |  |  | 948.9 |
Technology licenses | 2.6 | 61.4 |  |  | (32.7) |  |  | 28.7 |  |  | 48.4 |  |  | (23.9) |  |  | 24.5 |
In-process research and development |  | 427.7 |  |  | — |  |  | 427.7 |  |  | 594.9 |  |  | — |  |  | 594.9 |
Total intangible assets |  | $ | 1,798.3 |  |  | $ | (232.6) |  |  | $ | 1,565.7 |  |  | $ | 1,854.5 |  |  | $ | (155.9) |  |  | $ | 1,698.6 |
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 2022 |  | 2023 |  | 2024 |  | 2025 |  | 2026 |  | Thereafter
Amortization expense | $ | 130.7 |  |  | $ | 198.2 |  |  | $ | 150.7 |  |  | $ | 133.4 |  |  | $ | 119.8 |  |  | $ | 405.2 |

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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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