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Stock Repurchase Program - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
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May 31, 2023 | Feb. 28, 2023 | Apr. 30, 2023 | Apr. 30, 2022 | [3] | Apr. 30, 2023 | Apr. 30, 2022 | Feb. 23, 2023 | Sep. 01, 2022
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |  |  |  |  |
Stock repurchase program authorized amount |  |  |  |  |  |  |  |  |  | $ 1,500,000
Purchases of treasury stock (in shares) |  |  | 825 | [1],[2] | 984 | 1,631 | [1] | 1,685 |  |
Aggregate purchased shares |  |  | $ 300,000 | [1],[2] | $ 290,000 | $ 560,724 | [1] | $ 535,000 |  |
Remaining amount available for further repurchases |  |  | $ 794,300 |  |  | $ 794,300 |  |  |  |
Accelerated Share Repurchase Program February 2023 |  |  |  |  |  |  |  |  |  |
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |  |  |  |  |
Stock repurchase program authorized amount |  |  |  |  |  |  |  |  | $ 300,000 |
Prepayment to repurchase stock |  | $ 300,000 |  |  |  |  |  |  |  |
Initial share delivery |  |  |  |  |  |  |  |  | $ 255,000 |
Purchases of treasury stock (in shares) |  | 800 |  |  |  |  |  |  |  |
Purchases of treasury stock (in USD per share) |  | $ 364.1 |  |  |  |  |  |  |  |
Accelerated Share Repurchase Program February 2023 | Subsequent Event |  |  |  |  |  |  |  |  |  |
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |  |  |  |  |
Stock repurchase program, prepayment during prior period, future derivative settlement | $ 45,000 |  |  |  |  |  |  |  |  |
[1] | Excluded the 105,792 shares and $45.0 million equity forward contract from the February 2023 ASR settled in May 2023.
[2] | Included the 107,020 shares and $45.0 million equity forward contract from the December 2022 ASR settled in February 2023.
[3] | Included the 161,215 shares and $40.0 million equity forward contract from the December 2021 ASR settled in February 2022.

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