Other Comprehensive Income Items - After-Tax Components (Details) - USD ($) $ in Millions	Jul. 31, 2022	Oct. 31, 2021	Aug. 01, 2021
After-tax components of accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	$ 4,684.3	$ 4,524.4	$ 4,598.4
Accumulated Other Comprehensive Income (Loss)
After-tax components of accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	(100.2)	(49.4)	(49.4)
Cumulative Translation Adjustment
After-tax components of accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	(143.2)	(54.5)	(46.9)
Unrealized Gain (Loss) on Derivatives
After-tax components of accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	45.3	6.8	(0.8)
Unrealized Gain (Loss) on Debt Securities
After-tax components of accumulated other comprehensive income (loss)
Total accumulated other comprehensive income (loss)	$ (2.3)	$ (1.7)	$ (1.7)