Stock-Based Compensation - Summarized Activity Related to Stock Options (Detail) - Stock Options $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2021 USD ($) $ / shares shares
Number of Options
Beginning balance (in shares) | shares	1,487
Granted (in shares) | shares	93
Exercised (in shares) | shares	(298)
Forfeited or expired (in shares) | shares	(47)
Ending balance (in shares) | shares	1,235
Expected to vest (in shares) | shares	561
Exercisable (in shares) | shares	671
Weighted˗Average Exercise Price Per Share
Beginning balance (in dollars per share) | $ / shares	$ 122.45
Granted (in dollars per share) | $ / shares	201.43
Exercised (in dollars per share) | $ / shares	107.14
Forfeited or expired (in dollars per share) | $ / shares	152.52
Ending balance (in dollars per share) | $ / shares	130.93
Expected to vest (in dollars per share) | $ / shares	155.55
Exercisable (in dollars per share) | $ / shares	$ 110.21
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Aggregate Intrinsic Value, Outstanding | $	$ 152,304
Aggregate Intrinsic Value, Expected to vest | $	55,335
Aggregate Intrinsic Value, Exercisable | $	$ 96,638
Weighted Average Remaining Term, Outstanding	6 years 1 month 6 days
Weighted Average Remaining Term, Expected to vest	7 years 3 months 18 days
Weighted Average Remaining Term, Exercisable	5 years