EQUITY AND COMPREHENSIVE INCOME (LOSS) - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,133.1
Other comprehensive income (loss), net of tax	18.8	$ (1.3)
Ending balance	1,163.8
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(298.0)	(292.8)
Other comprehensive income (loss), net of tax	(1.1)	4.2
Ending balance	(299.1)	(288.6)
Derivative Financial Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(12.7)
Other comprehensive income (loss), net of tax	0.2
Ending balance	(12.5)
Interest Rate Derivative
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance		13.4
Other comprehensive income (loss), net of tax		(5.7)
Ending balance		7.7
Minimum Pension Liability Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(123.0)	(97.7)
Other comprehensive income (loss), net of tax	21.7	(0.8)
Ending balance	(101.3)	(98.5)
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(433.7)	(377.1)
Other comprehensive income (loss), net of tax	20.8	(2.3)
Ending balance	$ (412.9)	$ (379.4)