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Employee Stock Plans - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Jul. 31, 2015
Aug. 01, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Share-based compensation $ 8,618 $ 9,833
Shares issued under share-based compensation plans 241,632 600,540
Restricted Stock Units (RSUs)    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Granted 22,000 77,575
Weighted Average Grant Date Fair Value $ 112.53 $ 84.50
Employee Sharesave Scheme    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Discount rate of market value on purchase date 5.00%  
The term of options, years 3 years  
Number of options granted 25,984 29,242
Weighted-average grant date fair value of options granted $ 24.31 $ 27.03
Equity Incentive Plan    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Number of options granted 192,700 193,200
Weighted-average grant date fair value of options granted $ 48.48 $ 45.23
Employee Stock Purchase Plan    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Discount rate of market value on purchase date 5.00%