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OTHER COMPREHENSIVE INCOME ITEMS (Details 3) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Apr. 30, 2016
Apr. 30, 2015
Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interests        
Comprehensive income (loss) attributable to noncontrolling interests $ (0.6) $ 0.3 $ (1.2) $ 0.2
Net income (loss) attributable to noncontrolling interests (0.7) 0.3 (1.3) 0.5
Cumulative translation adjustments attributable to noncontrolling interests $ 0.1 $ 0.0 $ 0.1 $ (0.3)