Financial Assets and Liabilities - Schedule of Fair Values of Foreign Currency Derivative Instrument Designated and Non-Designated as Hedging Instruments in Balance Sheet (Details) - Foreign exchange contracts - USD ($) $ in Thousands	Apr. 30, 2026	Oct. 31, 2025
Fair values of derivative instruments designated as hedging instruments \| Other current assets
Financial Assets and Liabilities [Line Items]
Fair values of derivative instruments, assets	$ 15,619	$ 8,598
Fair values of derivative instruments designated as hedging instruments \| Accrued liabilities
Financial Assets and Liabilities [Line Items]
Fair values of derivative instruments, liabilities	38,174	9,504
Fair values of derivative instruments not designated as hedging instruments \| Other current assets
Financial Assets and Liabilities [Line Items]
Fair values of derivative instruments, assets	184	265
Fair values of derivative instruments not designated as hedging instruments \| Accrued liabilities
Financial Assets and Liabilities [Line Items]
Fair values of derivative instruments, liabilities	$ 849	$ 593

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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SYNOPSYS INC 10-Q