XML 30 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Employee Stock Plan - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
9 Months Ended
Jul. 27, 2012
Jul. 29, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Compensation cost charged against income $ 7,686 $ 5,781
Shares issued under employee stock plans 242,135 333,128
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%  
Equity Incentive Plan
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of options granted 343,400 316,300
Weighted-average grant date fair value of options granted $ 24.33 $ 32.58
Employee Sharesave Scheme
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Discount rate of market value on purchase date 5.00%  
Number of options granted 45,063 9,956
Weighted-average grant date fair value of options granted $ 19.85 $ 26.14
The term of options, years 3