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INCOME TAXES (Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits) (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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| Income Tax Disclosure [Abstract] | ||
| Beginning balance (January 1) | $ 19.1us-gaap_UnrecognizedTaxBenefits | $ 19.5us-gaap_UnrecognizedTaxBenefits |
| Increases related to prior year tax positions | 3.0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions | 3.0us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions |
| Decreases related to prior year tax positions | (0.4)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions | (0.1)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions |
| Increases related to current year tax positions | 4.4us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions | 4.1us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions |
| Decreases related to settlements | (0.6)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | (0.5)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities |
| Expiration of the statute of limitations for the assessment of taxes | (5.3)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations | (6.4)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations |
| Currency translation adjustment | (0.4)efx_UnrecognizedTaxBenefitsIncreasesDecreasesResultingfromForeignCurrencyTranslation | (0.5)efx_UnrecognizedTaxBenefitsIncreasesDecreasesResultingfromForeignCurrencyTranslation |
| Ending balance (December 31) | $ 19.8us-gaap_UnrecognizedTaxBenefits | $ 19.1us-gaap_UnrecognizedTaxBenefits |
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- Definition
Unrecognized Tax Benefits, Increases (Decreases) Resulting from Foreign Currency Translation No definition available.
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- Details
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- Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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