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STOCK-BASED COMPENSATION PLANS - Weighted-average Valuation Assumptions For Options Granted (Details) - Stock option awards - $ / shares
12 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted-average fair value at date of grant $ 12.55 $ 8.79 $ 8.41
Estimated Useful Life (Years)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected life of option in years 6 years 8 days 5 years 11 months 19 days 5 years 11 months 9 days
Expected stock price volatility 22.15% 24.04% 29.66%
Risk-free interest rate 2.03% 1.80% 1.61%
Expected dividend yield 1.01% 1.24% 1.29%