Employee Benefit Plans - Restricted Stock Units - Additional Information (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Oct. 31, 2025 USD ($) $ / shares
Share-Based Payment Arrangement [Abstract]
Closing stock price (in USD per share) | $ / shares	$ 453.82
Options, RSUs and restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized share-based compensation expense	$ 1,500.0
Weighted-average period of total compensation costs to be recognized over a period in years	1 year 10 months 24 days
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized share-based compensation expense	$ 88.2
Weighted-average period of total compensation costs to be recognized over a period in years	2 years