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Derivative financial instruments - Additional Information (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 04, 2024 | Apr. 30, 2025 | Apr. 30, 2024 | Apr. 30, 2025 | Apr. 30, 2024 | Oct. 31, 2024 | Sep. 09, 2024
Derivative [Line Items] |  |  |  |  |  |  |
Maturity of foreign currency forward contracts |  |  |  | 90 days |  |  |
Gains (losses) on foreign currency forward contracts |  | $ 22,315 | $ (6,423) | $ 17,951 | $ 5,671 |  |
Change in unrealized gain (loss) on foreign currency derivative instruments |  | (25,513) | $ 5,298 | (20,819) | $ (7,618) |  |
Derivative, Gain (Loss) on Derivative, Net |  | $ (28) |  | $ (72) |  |  |
Due 2029 |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |
Treasury Lock | $ 250,000 |  |  |  |  |  |
Public Bond Offering |  |  |  |  |  | $ 600,000 | $ 600,000
Treasury Lock Cash Settlement | $ 2,306 |  |  |  |  |  |

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- Definition Public Bond Offering + References No definition available. + Details
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- Definition Treasury Lock + References No definition available. + Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 10 -SubTopic 10 -Topic 825 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482881/825-10-55-10 + Details
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