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Stock Repurchase Program - Stock Repurchase Activities (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Nov. 30, 2023 | May 31, 2023 | Feb. 28, 2023 | Apr. 30, 2024 | Apr. 30, 2023 | Apr. 30, 2024 | Apr. 30, 2023
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |  |
Total shares repurchased (in shares) |  |  |  | 0 | 825,000 | 74,000 | 1,631,000
Total cost of the repurchased shares |  |  |  | $ 0 | $ 300,000 | $ 45,000 | $ 560,724
Reissuance of treasury stock |  |  |  | 668,000 | 696,000 | 1,225,000 | 1,507,000
Accelerated Share Repurchase Program February 2023 |  |  |  |  |  |  |
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |  |
Share repurchases settlement of equity forward (in shares) |  | 105,792 |  |  |  |  |
Stock repurchase program, prepayment during period, derivative settlement |  | $ 45,000 |  |  |  |  |
Accelerated Share Repurchase Program December 2022 |  |  |  |  |  |  |
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 2023 |  |  |  |  |  |  |
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |  |
Share repurchases settlement of equity forward (in shares) | 73,903 |  |  |  |  |  |
Stock repurchase program, prepayment during period, derivative settlement | $ 45,000 |  |  |  |  |  |

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