COMPREHENSIVE INCOME (LOSS) - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,557.3	$ 1,262.6	$ 1,575.6	$ 1,200.7
Other comprehensive income (loss)	91.6	40.5	75.0	92.7
Foreign currency translation released from business divestment	113.1		113.1
Ending balance	1,718.4	1,429.7	1,718.4	1,429.7
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(295.4)	(294.9)
Other comprehensive income (loss)			(74.9)	33.6
Foreign currency translation released from business divestment			113.1
Ending balance	(257.2)	(261.3)	(257.2)	(261.3)
Derivative Financial Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(3.6)	(24.7)
Other comprehensive income (loss)			35.9	11.4
Foreign currency translation released from business divestment			0.0
Ending balance	32.3	(13.3)	32.3	(13.3)
Minimum Pension Liability Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(57.5)	(107.9)
Other comprehensive income (loss)			6.5	47.1
Foreign currency translation released from business divestment			0.0
Ending balance	(51.0)	(60.8)	(51.0)	(60.8)
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(368.8)	(377.9)	(356.5)	(427.5)
Other comprehensive income (loss)			(32.5)	92.1
Foreign currency translation released from business divestment			113.1
Ending balance	$ (275.9)	$ (335.4)	$ (275.9)	$ (335.4)