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Employee Benefit Plans - Equity Compensation Plans - Additional Information (Details) |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 10, 2024 shares | Oct. 31, 2024 shares | Oct. 31, 2023 shares | Oct. 31, 2022 shares | Oct. 31, 2021 shares | Apr. 06, 2017 shares
Restricted Stock Units (RSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Aggregate restricted stock units outstanding (in shares) |  | 3,899,000 | 4,517,000 | 4,638,000 | 4,187,000 |
Restricted Stock Units (RSUs), Market-based | Minimum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period, (in years) |  | 2 years |  |  |  |
Restricted Stock Units (RSUs), Market-based | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period, (in years) |  | 3 years |  |  |  |
Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Aggregate restricted stock units outstanding (in shares) |  | 4,000 | 5,000 | 5,000 | 5,000 |
2006 Employee Equity Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share based compensation arrangement for options contractual term (in years) |  | 7 years |  |  |  |
Additional reserved for future issuance under the 2006 Employee Plan (in shares) | 3,400,000 |  |  |  |  |
Shares available for future grant (in shares) |  | 14,516,000 | 13,286,000 | 13,111,000 | 13,751,000 |
2006 Employee Equity Incentive Plan | Restricted Stock Units (RSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share reserve ratio |  | 1.70 |  |  |  |
Aggregate restricted stock units outstanding (in shares) |  | 3,900,000 |  |  |  |
2006 Employee Equity Incentive Plan | Restricted Stock Units (RSUs) | Minimum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period, (in years) |  | 3 years |  |  |  |
2006 Employee Equity Incentive Plan | Restricted Stock Units (RSUs) | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period, (in years) |  | 4 years |  |  |  |
2006 Employee Equity Incentive Plan | Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period, (in years) |  | 4 years |  |  |  |
Aggregate stock options outstanding (in shares) |  | 1,300,000 |  |  |  |
2017 Directors Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Reserved for future issuance (in shares) |  | 365,203 |  |  |  | 450,000
2017 Directors Plan | Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Aggregate stock options outstanding (in shares) |  | 12,792 |  |  |  |
2017 Directors Plan | Stock Option | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period, (in years) |  | 3 years |  |  |  |
2017 Directors Plan | Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Aggregate restricted stock units outstanding (in shares) |  | 3,751 |  |  |  |
Other Assumed Stock Plans |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Assumed shares remaining outstanding (in shares) |  | 18,000 |  |  |  |

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