Stock-Based Compensation - Factors Related to the Company's Performance Share Awards (Details) - Performance share awards - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average per award fair value at date of grant (in dollars per share)	$ 112.14	$ 98.41	$ 90.59
Fair value of restricted stock units vested	$ 5.3	$ 4.8	$ 3.4