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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Apr. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The changes in the carrying amount of goodwill during the six months ended April 30, 2021 were as follows:
| (in thousands)
Balance at October 31, 2020 | $ | 3,365,114 |
Additions | 59,196 |
Effect of foreign currency translation | 8,267 |
Balance at April 30, 2021 | $ | 3,432,577 |
Summary of Intangible Assets | Intangible assets as of April 30, 2021 consisted of the following:
| Gross Assets |  | Accumulated Amortization |  | Net Assets
| (in thousands)
Core/developed technology | $ | 846,611 |  |  | $ | 724,695 |  |  | $ | 121,916 |
Customer relationships | 381,495 |  |  | 292,556 |  |  | 88,939 |
Contract rights intangible | 192,595 |  |  | 187,705 |  |  | 4,890 |
Trademarks and trade names | 43,095 |  |  | 29,935 |  |  | 13,160 |
In-process research and development (IPR&D) | 914 |  |  | — |  |  | 914 |
Capitalized software development costs | 45,386 |  |  | 41,396 |  |  | 3,990 |
Total | $ | 1,510,096 |  |  | $ | 1,276,287 |  |  | $ | 233,809 |
Intangible assets as of October 31, 2020 consisted of the following:
| Gross Assets |  | Accumulated Amortization |  | Net Assets
| (in thousands)
Core/developed technology | $ | 827,232 |  |  | $ | 703,009 |  |  | $ | 124,223 |
Customer relationships | 380,838 |  |  | 277,219 |  |  | 103,619 |
Contract rights intangible | 192,812 |  |  | 186,763 |  |  | 6,049 |
Trademarks and trade names | 43,096 |  |  | 28,716 |  |  | 14,380 |
In-process research and development (IPR&D) | 1,214 |  |  | — |  |  | 1,214 |
Capitalized software development costs | 44,122 |  |  | 39,285 |  |  | 4,837 |
Total | $ | 1,489,314 |  |  | $ | 1,234,992 |  |  | $ | 254,322 |
Amortization Expense Related to Intangible Assets | Amortization expense related to intangible assets consisted of the following:
| Three Months Ended April 30, |  | Six Months Ended April 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
| (in thousands)
Core/developed technology | $ | 10,969 |  |  | $ | 12,724 |  |  | $ | 21,986 |  |  | $ | 25,042 |
Customer relationships | 7,703 |  |  | 8,912 |  |  | 15,482 |  |  | 17,474 |
Contract rights intangible | 439 |  |  | 1,681 |  |  | 1,309 |  |  | 2,557 |
Trademarks and trade names | 610 |  |  | 778 |  |  | 1,220 |  |  | 1,555 |
Capitalized software development costs(1) | 1,072 |  |  | 933 |  |  | 2,110 |  |  | 1,834 |
Total | $ | 20,793 |  |  | $ | 25,028 |  |  | $ | 42,107 |  |  | $ | 48,462 |
(1) Amortization of capitalized software development costs is included in cost of products revenue in the unaudited condensed consolidated statements of operations.
Estimated Future Amortization of Intangible Assets | The following table presents the estimated future amortization of intangible assets as of April 30, 2021:
Fiscal year | (in thousands)
Remainder of fiscal 2021 | $ | 38,878 |
2022 | 65,879 |
2023 | 48,932 |
2024 | 38,407 |
2025 | 22,304 |
2026 and thereafter | 18,495 |
IPR&D | 914 |
Total | $ | 233,809 |

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