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Employee Benefit Plans - Equity Incentive Plans (Details)
12 Months Ended
Apr. 10, 2025
shares
Oct. 31, 2025
shares
Oct. 31, 2024
shares
Oct. 31, 2023
shares
Oct. 31, 2022
shares
Apr. 06, 2017
shares
Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Nonvested awards (in shares)   4,318,000 3,899,000 4,517,000 4,638,000  
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) 1,600,000          
Shares available for future grant (in shares)   14,114,000 14,516,000 13,286,000 13,111,000  
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        
Nonvested awards (in shares)   3,400,000        
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)   1,100,000        
2017 Directors Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Reserved for future issuance (in shares)   359,486       450,000
2017 Directors Plan | Stock Option            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate stock options outstanding (in shares)   9,395        
2017 Directors Plan | Stock Option | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period, (in years)   3 years