EQUITY AND COMPREHENSIVE INCOME (LOSS) - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			$ 1,107.8
Other comprehensive income (loss), net of tax	$ (3.6)	$ (18.1)	(28.9)	$ 1.1
Ending balance	1,120.6		1,120.6
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(292.8)	(249.3)
Other comprehensive income (loss), net of tax			(10.7)	(20.9)
Ending balance	(303.5)	(270.2)	(303.5)	(270.2)
Derivative Financial Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			13.4	5.1
Other comprehensive income (loss), net of tax			(20.7)	8.1
Ending balance	(7.3)	13.2	(7.3)	13.2
Minimum Pension Liability Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(97.7)	(114.0)
Other comprehensive income (loss), net of tax			2.2	17.4
Ending balance	(95.5)	(96.6)	(95.5)	(96.6)
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(377.1)	(358.2)
Other comprehensive income (loss), net of tax			(29.2)	4.6
Ending balance	$ (406.3)	$ (353.6)	$ (406.3)	$ (353.6)