Stock Repurchase Program - Additional Information (Detail) - USD ($)	1 Months Ended		4 Months Ended	12 Months Ended
	Nov. 30, 2021	Aug. 31, 2021	Nov. 30, 2021	Oct. 31, 2021		Oct. 31, 2020	Oct. 31, 2019	Dec. 10, 2021	Jun. 17, 2021
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program authorized amount				$ 500,000,000					$ 500,000,000
Remaining amount available for further repurchases				$ 110,000,000
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
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program authorized amount								$ 1,000,000,000
Accelerated Share Repurchase Program August 2021
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program authorized amount		$ 175,000,000
Prepayment during period		175,000,000
Initial share delivery, amount		$ 140,000,000
Accelerated Share Repurchase Program August 2021 | Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Prepayment during prior period, derivative settlement	$ 35,000,000
Purchases of treasury stock (in shares)			500,000
Average purchase price (in USD per share)			$ 325.0

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