Stock-Based Compensation - Schedule of Factors Related to the Company's Performance Share Awards (Details) - Performance share awards - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
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)	$ 80.04	$ 99.60	$ 112.14
Fair value of restricted stock units vested	$ 2.9	$ 7.7	$ 5.3