Stockholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) Income (Details) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 7,174.7	$ 6,942.0
Gross change in value	34.5	(76.3)
Tax effect	8.5	(16.9)
Ending balance	7,378.0	7,013.8
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(555.0)	(320.3)
Gross change in value	69.5	(145.9)
Tax effect	0.0	0.0
Ending balance	(485.5)	(466.2)
Minimum Pension Liability
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(6.2)	(34.1)
Gross change in value	0.0	0.0
Tax effect	0.0	0.0
Ending balance	(6.2)	(34.1)
Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	94.4	13.1
Gross change in value	(35.0)	69.6
Tax effect	8.5	(16.9)
Ending balance	67.9	65.8
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(466.8)	(341.3)
Ending balance	$ (423.8)	$ (434.5)