Stockholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) Income (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jan. 31, 2022	Oct. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 6,942.0	$ 3,824.8
Gross change in value	(31.6)	146.3
Tax effect	(4.3)	(15.6)
Ending balance	6,926.1	6,942.0
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(320.3)	(402.3)
Gross change in value	(49.2)	82.2
Tax effect	0.0	(0.2)
Ending balance	(369.5)	(320.3)
Minimum Pension Liability
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(34.1)	(56.7)
Gross change in value	0.0	29.8
Tax effect	0.0	(7.2)
Ending balance	(34.1)	(34.1)
Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	13.1	(13.0)
Gross change in value	17.6	34.3
Tax effect	(4.3)	(8.2)
Ending balance	26.4	13.1
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(341.3)	(472.0)
Ending balance	$ (377.2)	$ (341.3)