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STOCK-BASED COMPENSATION PLANS - Factors Related to the Company's Stock and Restricted Stock Units (Details) - Restricted stock and restricted stock units - USD ($)
$ / shares in Units, $ in Thousands
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 $ 66.09 $ 41.83 $ 33.88
Fair value of restricted stock and restricted stock units vested $ 3,604 $ 2,681 $ 2,744