Stockholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) Income (Details) - USD ($) $ in Millions	9 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 8,083.6	$ 7,551.0
Gross change in value	23.9	18.1
Tax effect	5.7	10.6
Ending balance	8,353.0	7,925.2
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(421.7)	(453.8)
Ending balance	(392.1)	(425.1)
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(461.7)	(538.0)
Gross change in value	47.3	62.5
Tax effect	0.0	0.0
Ending balance	(414.4)	(475.5)
Minimum Pension Liability
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(4.9)	(3.2)
Gross change in value	0.0	0.0
Tax effect	0.0	0.0
Ending balance	(4.9)	(3.2)
Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	44.9	87.4
Gross change in value	(23.4)	(44.4)
Tax effect	5.7	10.6
Ending balance	$ 27.2	$ 53.6