Stock Repurchase Program - Stock Repurchase Activities (Detail) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Nov. 30, 2021	Oct. 31, 2021		Oct. 31, 2020	Oct. 31, 2019
Stock Repurchase Program
Purchases of treasury stock (in shares)		2,780,000	[1]	1,585,000	2,732,000
Average purchase price (in USD per share)		$ 270.84	[1]	$ 152.76	$ 120.49
Aggregate purchase price		$ 753,081	[1]	$ 242,078	$ 329,185
Reissuance of treasury stock		3,224,000		3,872,000	3,798,000
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Share repurchases settlement of equity forward (in shares)	107,701
Stock repurchase program, prepayment during period, derivative settlement	$ 35,000

[1] Excludes 107,701 shares and $35.0 million equity forward contract that was settled in November 2021.