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Intangible Assets | 12 Months Ended
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Oct. 31, 2020
Intangible Assets, Net (Excluding Goodwill) [Abstract] |
INTANGIBLE ASSETS | INTANGIBLE ASSETS As of the dates indicated, intangible assets are comprised of the following (in thousands):
| October 31, 2020 |  | November 2, 2019
| Gross Intangible |  | Accumulated Amortization |  | Net Intangible |  | Gross Intangible |  | Accumulated Amortization |  | Net Intangible
Developed technology | $ | 395,726 |  |  | $ | (335,512) |  |  | $ | 60,214 |  |  | $ | 373,526 |  |  | $ | (308,261) |  |  | $ | 65,265 |
Patents and licenses | 3,565 |  |  | (2,529) |  |  | 1,036 |  |  | 3,565 |  |  | (2,244) |  |  | 1,321 |
Customer relationships, covenants not to compete, outstanding purchase orders and contracts | 374,659 |  |  | (339,262) |  |  | 35,397 |  |  | 374,381 |  |  | (328,186) |  |  | 46,195 |
Total intangible assets | $ | 773,950 |  |  | $ | (677,303) |  |  | $ | 96,647 |  |  | $ | 751,472 |  |  | $ | (638,691) |  |  | $ | 112,781 |
The aggregate amortization expense of intangible assets was $38.6 million, $35.1 million and $25.8 million for fiscal 2020, fiscal 2019 and fiscal 2018, respectively. Expected future amortization of intangible assets for the fiscal years indicated is as follows (in thousands):
Fiscal Year | Amount |
2021 | $ | 35,452 |  |
2022 | 29,232 |  |
2023 | 14,422 |  |
2024 | 11,371 |  |
2025 | 6,170 |  |
| $ | 96,647 |  |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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- References No definition available. + Details
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