Financial Derivatives and Hedging - Schedule of Changes in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions		12 Months Ended
		Oct. 31, 2025		Oct. 31, 2024		Oct. 31, 2023
AOCI Attributable To Parent, Before Reclassification And Tax [Roll Forward]
Beginning balance	[2]	$ 8,083.6	[1]	$ 7,551.0		$ 7,174.7
Amount recognized in other comprehensive income on interest rate swaps contracts, net of tax		0.5		(0.6)
Amount reclassified from other comprehensive income into earnings, net of tax		(27.4)		(41.9)
Ending balance	[2]	8,239.1	[1]	8,083.6	[1]	7,551.0
Accumulated Gain (Loss), Net, Cash Flow Hedge, Before Tax, Parent
AOCI Attributable To Parent, Before Reclassification And Tax [Roll Forward]
Beginning balance		59.2		115.1
Ending balance		23.7		59.2		115.1
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
AOCI Attributable To Parent, Before Reclassification And Tax [Roll Forward]
Beginning balance		44.9		87.4		94.4
Amount recognized in other comprehensive income on interest rate swap contracts, gross		0.6		(0.9)
Amount reclassified from other comprehensive income into earnings, gross		(36.1)		(55.0)
Ending balance		$ 18.0		$ 44.9		$ 87.4

[1] All periods presented have been adjusted to reflect the four-for-one stock split effected on February 16, 2024. Refer to Note 1. Organization and Significant Accounting Policies for further information.

[2] All periods presented have been adjusted to reflect the four-for-one stock split effected on February 16, 2024. Refer to Note 1. Organization and Significant Accounting Policies for further information