Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 294.2	$ 385.8	$ 2,944.7
Other comprehensive income (loss):
Cash flow hedges, net of tax of $(2.4), $26.1 and $8.2, respectively	(7.0)	81.3	26.1
Change in minimum pension liability, net of tax of $1.0, $8.7 and $7.2, respectively	3.0	27.9	22.6
Foreign currency translation adjustment	17.0	(234.7)	82.0
Other comprehensive income (loss)	13.0	(125.5)	130.7
Comprehensive income	$ 307.2	$ 260.3	$ 3,075.4