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ACQUISITIONS (Pro Forma Information) (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Oct. 31, 2018
USD ($)
$ / shares
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]  
Net revenue | $ $ 3,462
Net income | $ $ 116
Net income per share - Basic (in dollars per share) | $ / shares $ 0.63
Net income per share - Diluted (in dollars per share) | $ / shares $ 0.62