COMPREHENSIVE INCOME (LOSS) - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,152.2
Other Comprehensive Income (Loss)	52.2	$ 18.8
Ending balance	1,205.3
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(294.9)	(298.0)
Other Comprehensive Income (Loss)	25.0	(1.1)
Ending balance	(269.9)	(299.1)
Derivative Financial Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(24.7)
Other Comprehensive Income (Loss)	1.9
Ending balance	(22.8)
Derivative Financial Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance		(12.7)
Other Comprehensive Income (Loss)		0.2
Ending balance		(12.5)
Minimum Pension Liability Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(107.9)	(123.0)
Other Comprehensive Income (Loss)	22.7	21.7
Ending balance	(85.2)	(101.3)
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(427.5)	(433.7)
Other Comprehensive Income (Loss)	49.6	20.8
Ending balance	$ (377.9)	$ (412.9)