XML 71 R60.htm IDEA: XBRL DOCUMENT
v3.22.4

Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Jan. 31, 2023 | Oct. 31, 2022
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | $ 519,158 | $ 507,230
Total liabilities | 330,478 | 331,714
Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 313,844 | 279,096
Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Prepaid and other current assets | 12,897 | 2,538
Accounts payable and accrued liabilities | 16,634 | 52,618
Cash equivalents | Money market funds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 45,367 | 77,683
Short-term investments | U.S. government agency & T-bills |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 24,748 | 25,603
Short-term investments | Municipal bonds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 2,639 | 2,878
Short-term investments | Corporate debt securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 92,384 | 94,024
Short-term investments | Asset-backed securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 27,279 | 25,408
Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term assets | 313,844 | 279,096
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 359,211 | 356,779
Total liabilities | 313,844 | 279,096
Quoted Prices in Active Markets for Identical Assets (Level 1) | Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 313,844 | 279,096
Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Prepaid and other current assets | 0 | 0
Accounts payable and accrued liabilities | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash equivalents | Money market funds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 45,367 | 77,683
Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term investments | U.S. government agency & T-bills |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term investments | Municipal bonds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term investments | Corporate debt securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term investments | Asset-backed securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term assets | 313,844 | 279,096
Significant Other Observable Inputs (Level 2) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 159,947 | 150,451
Total liabilities | 16,634 | 52,618
Significant Other Observable Inputs (Level 2) | Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 0 | 0
Significant Other Observable Inputs (Level 2) | Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Prepaid and other current assets | 12,897 | 2,538
Accounts payable and accrued liabilities | 16,634 | 52,618
Significant Other Observable Inputs (Level 2) | Cash equivalents | Money market funds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 0 | 0
Significant Other Observable Inputs (Level 2) | Short-term investments | U.S. government agency & T-bills |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 24,748 | 25,603
Significant Other Observable Inputs (Level 2) | Short-term investments | Municipal bonds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 2,639 | 2,878
Significant Other Observable Inputs (Level 2) | Short-term investments | Corporate debt securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 92,384 | 94,024
Significant Other Observable Inputs (Level 2) | Short-term investments | Asset-backed securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 27,279 | 25,408
Significant Other Observable Inputs (Level 2) | Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term assets | 0 | 0
Significant Unobservable Inputs (Level 3) |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Total assets | 0 | 0
Total liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) | Deferred compensation plan liabilities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) | Foreign currency derivative contracts |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Prepaid and other current assets | 0 | 0
Accounts payable and accrued liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) | Cash equivalents | Money market funds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash equivalents | 0 | 0
Significant Unobservable Inputs (Level 3) | Short-term investments | U.S. government agency & T-bills |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Significant Unobservable Inputs (Level 3) | Short-term investments | Municipal bonds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Significant Unobservable Inputs (Level 3) | Short-term investments | Corporate debt securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Significant Unobservable Inputs (Level 3) | Short-term investments | Asset-backed securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Short-term investments | 0 | 0
Significant Unobservable Inputs (Level 3) | Deferred compensation plan assets |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other long-term assets | $ 0 | $ 0

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps. + References No definition available. + Details
Name: | us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into. + References No definition available. + Details
Name: | us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_InvestmentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of other assets. + References No definition available. + Details
Name: | us-gaap_OtherAssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of other liabilities. + References No definition available. + Details
Name: | us-gaap_OtherLiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_OtherNoncurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForwardContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_ShortTermInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=snps_USGovernmentAgenciesDebtSecuritiesAndUSTreasuryBillSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_MunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=snps_DeferredCompensationPlanAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |