XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.22.2

Cash, Cash Equivalents, and Investments - Summary of Available-for-Sale Investments (Details) $ in Thousands | Jul. 03, 2022 USD ($)
--- | ---
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | $ 635,518
Gross unrealized gains | 8
Gross unrealized losses | (24,491)
Fair value | 611,035
Corporate Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 495,188
Corporate Bonds | Short-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 126,286
Gross unrealized gains | 0
Gross unrealized losses | (1,481)
Fair value | 124,805
Corporate Bonds | Long-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 390,702
Gross unrealized gains | 0
Gross unrealized losses | (20,319)
Fair value | 370,383
Asset-Backed Securities |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 70,163
Asset-Backed Securities | Short-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 26,756
Gross unrealized gains | 0
Gross unrealized losses | (291)
Fair value | 26,465
Asset-Backed Securities | Long-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 45,269
Gross unrealized gains | 8
Gross unrealized losses | (1,579)
Fair value | 43,698
Treasury Bills |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 24,506
Treasury Bills | Short-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 12,236
Gross unrealized gains | 0
Gross unrealized losses | (74)
Fair value | 12,162
Treasury Bills | Long-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 12,580
Gross unrealized gains | 0
Gross unrealized losses | (236)
Fair value | 12,344
Agency Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 18,578
Agency Bonds | Short-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 18,936
Gross unrealized gains | 0
Gross unrealized losses | (358)
Fair value | 18,578
Sovereign Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 1,976
Sovereign Bonds | Long-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 2,118
Gross unrealized gains | 0
Gross unrealized losses | (142)
Fair value | 1,976
Municipal Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 624
Municipal Bonds | Short-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 635
Gross unrealized gains | 0
Gross unrealized losses | (11)
Fair value | $ 624

X
- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
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_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateBondSecuritiesMember
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_InvestmentTypeAxis=cgnx_LongTermInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cgnx_AgencyBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_SovereignDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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