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Stock Plans (Schedule of Estimated Fair Value of Stock Option Award Granted) (Details) (Stock Options [Member])
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected life     5 years 3 months 18 days
Expected volatility     41.00%
Dividend yield 0.09% 0.12% 0.21%
Minimum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected life 4 years 3 months 18 days 4 years 6 months  
Expected volatility 39.50% 40.20%  
Risk-free interest rate 0.69% 1.01% 2.26%
Maximum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected life 5 years 8 months 12 days 5 years 8 months 12 days  
Expected volatility 43.80% 41.30%  
Risk-free interest rate 1.08% 1.41% 2.43%