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Share-Based Compensation Plans - Additional Information (Detail) (USD $)
1 Months Ended 12 Months Ended
Mar. 09, 2004
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2011
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Total shares exercised for share-based compensation plans   1,031,867 967,123 570,425
Total intrinsic value of shares exercised   $ 12,900,000 $ 9,800,000 $ 6,700,000
Total fair value of shares vested   8,700,000 8,200,000 2,400,000
Authorized for issuance   10,279,265    
Shares available for award   1,745,854    
Employee Stock Purchase Plan
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Authorized for issuance 3,000,000      
Shares available for award   567,943    
Percentage of purchase price of fair market value of the Company's common stock on the last trading day of the month 95.00%      
Percentage of compensation to purchase 10.00%      
Annual limit on purchase of stock 25,000      
Weighted average fair values of the purchase rights granted   $ 1.12 $ 1.05 $ 1.16
Shares of stock issued under the plan   186,271 200,108 165,455
Weighted average price   $ 21.34 $ 19.93 $ 22.02
Aggregate purchases   4,000,000 4,000,000 3,600,000
Employee Stock Purchase Plan | Minimum
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Vesting period 6 months      
RSUs
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Vesting period   3 years    
Total unrecognized compensation cost, net of estimated forfeitures   18,700,000    
Weighted-average vesting period   2 years 4 months 17 days    
Percentage of the awards that vest on the second anniversary of the grant   50.00%    
Percentage of the awards that vest on the fourth anniversary of the grant   50.00%    
Aggregate intrinsic value of outstanding   37,600,000    
Aggregate intrinsic value of vested   6,500,000    
Stock options
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Percentage of the awards that vest per year   25.00%    
Options expire after the date of grant   7 years    
Total unrecognized compensation cost, net of estimated forfeitures   4,300,000    
Weighted-average vesting period   1 year 11 months 9 days    
Stock options | Minimum
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Vesting period   1 year    
Stock options | Maximum
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Vesting period   5 years    
Performance Based Shares
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Total unrecognized compensation cost, net of estimated forfeitures   8,400,000    
Weighted-average vesting period   1 year 9 months 29 days    
Aggregate intrinsic value of outstanding   24,700,000    
Aggregate intrinsic value of vested   3,200,000    
Performance Based Shares | Minimum
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Percentage of performance share award vesting based on actual performance   0.00%    
Performance Based Shares | Maximum
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Percentage of performance share award vesting based on actual performance   150.00%    
Age-Vested Plan
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Vesting period   1 year    
Age-Vested Plan | Option Holders Reaching Their 61st Birthday
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Percentage of the awards that vest per year   50.00%    
Age-Vested Plan | Option Holders Reaching Their 64th Birthday
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Percentage of the awards that vest per year   50.00%    
Time-Vested Plan
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Percentage of the awards that vest per year   20.00%    
Vesting period   1 year    
Options expire after the date of grant   121 months    
Price-Vested Plan
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Options expire after the date of grant   10 years    
Price-Vested Plan | Minimum
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Vesting period   4 years    
Price-Vested Plan | Maximum
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Vesting period   8 years    
Age-Vested Plan
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Total unrecognized compensation cost, net of estimated forfeitures   $ 400,000    
Weighted-average vesting period   9 years 22 days