XML 61 R46.htm IDEA: XBRL DOCUMENT
v3.24.0.1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) $ in Millions | Dec. 31, 2023 USD ($)
--- | ---
Fair Value |
Assets and Liabilities: |
Deferred Compensation Plan Assets | $ 43.4
Deferred Compensation Plan Liability | (43.4)
Total assets and liabilities | 0.0
Quoted Prices in Active Markets for Identical Assets (Level 1) |
Assets and Liabilities: |
Deferred Compensation Plan Assets | 43.4
Deferred Compensation Plan Liability | 0.0
Total assets and liabilities | 43.4
Significant Other Observable Inputs (Level 2) |
Assets and Liabilities: |
Deferred Compensation Plan Assets | 0.0
Deferred Compensation Plan Liability | (43.4)
Total assets and liabilities | (43.4)
Significant Unobservable Inputs (Level 3) |
Assets and Liabilities: |
Deferred Compensation Plan Assets | 0.0
Deferred Compensation Plan Liability | 0.0
Total assets and liabilities | $ 0.0

X
- Definition Represents the deferred compensation plan assets, fair value disclosure as of reporting period. + References No definition available. + Details
Name: | efx_DeferredCompensationPlanAssetsFairValueDisclosure
Namespace Prefix: | efx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the deferred compensation plan liabilities, fair value disclosure as of reporting period. + References No definition available. + Details
Name: | efx_DeferredCompensationPlanLiabilitiesFairValueDisclosure
Namespace Prefix: | efx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of asset after deduction of liability. + References No definition available. + Details
Name: | us-gaap_FairValueNetAssetLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_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: |