Stock Repurchase Program - Stock Repurchase Activities (Detail) - USD ($) $ in Thousands	1 Months Ended				3 Months Ended
	Feb. 28, 2023	Dec. 31, 2022	Feb. 28, 2022	Nov. 30, 2021	Jan. 31, 2023	[1]	Jan. 31, 2022	[2],[3]
Accelerated Share Repurchases [Line Items]
Purchases of treasury stock (in shares)					806,000		701,000
Aggregate purchased shares					$ 260,724		$ 245,000
Reissuance of treasury stock					811,000		895,000
Accelerated Share Repurchase Program December 2022
Accelerated Share Repurchases [Line Items]
Purchases of treasury stock (in shares)		900,000
Accelerated Share Repurchase Program December 2022 | Subsequent Event
Accelerated Share Repurchases [Line Items]
Share repurchases settlement of equity forward (in shares)	107,020
Stock repurchase program, prepayment during period, derivative settlement	$ 45,000
Accelerated Share Repurchase Program August 2021
Accelerated Share Repurchases [Line Items]
Share repurchases settlement of equity forward (in shares)				107,701
Stock repurchase program, prepayment during period, derivative settlement				$ 35,000
Accelerated Share Repurchase Program December 2021
Accelerated Share Repurchases [Line Items]
Share repurchases settlement of equity forward (in shares)			161,215
Stock repurchase program, prepayment during period, derivative settlement			$ 40,000

[1] Excluded the 107,020 shares and $45.0 million equity forward contract from the December 2022 ASR settled in February 2023.

[2] Excluded the 161,215 shares and $40.0 million equity forward contract from the December 2021 ASR settled in February 2022.

[3] Included the 107,701 shares and $35.0 million equity forward contract from the August 2021 ASR settled in November 2021.