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v3.24.4

Business Combinations (Details) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 22, 2022 USD ($) | Oct. 31, 2024 USD ($) | Apr. 30, 2022 USD ($) | Oct. 31, 2024 USD ($) | Oct. 31, 2023 USD ($) | Oct. 31, 2022 USD ($) acquisition
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  | $ 3,448,850,000 |  | $ 3,448,850,000 | $ 3,346,065,000 | $ 3,121,071,000
Impairment of intangible assets |  | 53,500,000 |  | 53,500,000 |  |
Redeemable non-controlling interest |  | $ 30,000,000 |  | 30,000,000 | 31,043,000 |
Acquisition-related costs |  |  |  | $ 172,600,000 | 13,800,000 | 9,400,000
OpenLight |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Ownership percentage |  | 71.00% |  | 71.00% |  |
Series of Individually Immaterial Business Acquisitions |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Total purchase consideration |  |  |  | $ 159,300,000 | 295,400,000 | 31,800,000
Identifiable intangible assets |  | $ 78,900,000 |  | 78,900,000 | 95,800,000 | 12,700,000
Goodwill |  | 96,100,000 |  | 96,100,000 |  |
Net tangible liabilities |  | 15,700,000 |  | 15,700,000 | 29,800,000 | $ 3,100,000
Goodwill, expected tax deductible amount |  | 0 |  | 0 |  |
Number of acquisitions | acquisition |  |  |  |  |  | 2
Series of Individually Immaterial Business Acquisitions | Design Automation |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  | 61,800,000 |  | 61,800,000 | 229,400,000 | $ 22,200,000
Goodwill, expected tax deductible amount |  |  |  |  | 5,700,000 | 0
Series of Individually Immaterial Business Acquisitions | Design IP |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  | 34,300,000 |  | $ 34,300,000 |  |
Series of Individually Immaterial Business Acquisitions | Minimum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life |  |  |  | 3 years |  |
Series of Individually Immaterial Business Acquisitions | Maximum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquired finite-lived intangible assets, weighted average useful life |  |  |  | 13 years |  |
OpenLight |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Total purchase consideration |  |  | $ 90,000,000 |  |  |
Identifiable intangible assets |  |  | $ 94,000,000 |  |  |
Percent of company acquired |  |  | 75.00% |  |  |
Percentage of equity interests held by non-controlling interest |  |  | 25.00% |  |  |
Redeemable noncontrolling interest, redemption value |  |  | $ 30,000,000 |  |  |
Redeemable noncontrolling interest, put option value |  |  | 10,100,000 |  |  |
Consideration transferred including redeemable noncontrolling interest |  |  | 100,100,000 |  |  |
Net loss of acquiree |  |  |  | $ 91,700,000 | 40,900,000 | 19,400,000
Net loss of acquiree attributable to redeemable non-controlling interest |  |  |  | 22,000,000 | 10,000,000 | $ 4,900,000
Redeemable non-controlling interest |  | $ 30,000,000.0 |  | $ 30,000,000.0 | $ 31,000,000.0 |
OpenLight | Design Automation |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  |  | 46,700,000 |  |  |
Goodwill, expected tax deductible amount |  |  | $ 0 |  |  |
NTT Security AppSec Solutions Inc |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Total purchase consideration | $ 310,000,000 |  |  |  |  |
Identifiable intangible assets | 97,500,000 |  |  |  |  |
Goodwill | 252,900,000 |  |  |  |  |
Net tangible liabilities | 40,400,000 |  |  |  |  |
Goodwill, expected tax deductible amount | $ 0 |  |  |  |  |

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