XML 91 R75.htm IDEA: XBRL DOCUMENT v3.21.2
Employee Benefit Plans (Equity Compensation Plans) - Additional Information (Detail)
12 Months Ended
Apr. 08, 2021
shares
Oct. 31, 2021
shares
Oct. 31, 2018
shares
Oct. 31, 2020
shares
Oct. 31, 2019
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) [1]   4,187,000 3,769,000 4,130,000 3,857,000  
Restricted Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate restricted stock units outstanding (in shares)   5,000 20,000 9,000 11,000  
2006 Employee Equity Incentive Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period, (in years)   4 years        
Share reserve ratio   1.70        
Share based compensation arrangement for options contractual term (in years)   7 years        
Additional reserved for future issuance under the 2006 Employee Plan (in shares) 4,700,000          
Shares available for future grant (in shares) [2]   13,751,000 12,439,000 12,129,000 12,208,000  
2006 Employee Equity Incentive Plan | Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate restricted stock units outstanding (in shares)   4,200,000        
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]            
Aggregate stock options outstanding (in shares)   3,000,000        
2005 Non Employee Directors Plan | Stock Option            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate stock options outstanding (in shares)   15,000        
2005 Non Employee Directors Plan | Stock Option | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period, (in years)     3 years      
2005 Non Employee Directors Plan | Stock Option | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period, (in years)     4 years      
2017 Directors Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Reserved for future issuance (in shares)   384,992       450,000
2017 Directors Plan | Stock Option            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate stock options outstanding (in shares)   5,998        
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)   4,690        
Other Assumed Stock Plans            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Assumed shares remaining outstanding (in shares)   100,000        
[1] No restricted stock units were assumed in connection with acquisitions in the last three fiscal years, but the balance at fiscal year-end includes certain restricted stock units that were previously assumed in connection with acquisitions.
[2] Excluding shares reserved for future issuance under the 2017 Directors Plan.