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Employee Benefit Plans - Equity Compensation Plans - Additional Information (Details)
12 Months Ended
Apr. 10, 2024
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Oct. 31, 2024
shares
Oct. 31, 2023
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Oct. 31, 2022
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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