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Employee Benefit Plans (Equity Compensation Plans) - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Mar. 29, 2016
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
May 23, 2005
Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate restricted stock units outstanding   4,035,000 3,928,000 3,947,000 3,983,000  
Restricted Stock Units | Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period, (in years)   3 years        
Restricted Stock Units | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period, (in years)   4 years        
Restricted Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate restricted stock units outstanding   43,000 45,000      
Stock Option            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares available for future grant   11,244,000 11,883,000 12,155,000 8,472,000  
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        
Vesting period, (in years)   4 years        
Additional reserved for future issuance under the 2006 Employee Plan 3,800,000          
Shares available for future grant   11,200,000        
2006 Employee Equity Incentive Plan | Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate restricted stock units outstanding   4,000,000        
2006 Employee Equity Incentive Plan | Stock Option            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate stock options outstanding   6,300,000        
2005 Directors Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Reserved for future issuance   241,690       800,000
Restricted stock awards issued   363,782        
Aggregate grant date fair value of restricted stock awards   $ 11.5        
2005 Directors Plan | Restricted Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period, (in years)   3 years        
Aggregate restricted stock units outstanding   42,588        
2005 Directors Plan | Stock Option            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate stock options outstanding   76,369        
Aggregate stock options granted under 2005 director plan   157,871        
Fair value of option shares granted   $ 4.7        
2005 Directors Plan | Stock Option | Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period, (in years)   3 years        
2005 Directors Plan | Stock Option | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period, (in years)   4 years        
Other Assumed Stock Plans            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Assumed shares remaining outstanding   400,000