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INCOME TAXES (Components of Deferred Income Tax Assets and Liabilities) (Detail) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2014
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Dec. 31, 2013
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| Deferred income tax assets: | ||
| Employee pension benefits | $ 142.6us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions | $ 108.9us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions |
| Net operating and capital loss carryforwards | 136.1us-gaap_DeferredTaxAssetsCapitalLossCarryforwards | 132.3us-gaap_DeferredTaxAssetsCapitalLossCarryforwards |
| Foreign tax credits | 94.7us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign | 51.7us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign |
| Employee compensation programs | 67.1us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation | 61.9us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation |
| Reserves and accrued expenses | 6.4us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals | 8.5us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals |
| Deferred revenue | 3.3us-gaap_DeferredTaxAssetsDeferredIncome | 2.5us-gaap_DeferredTaxAssetsDeferredIncome |
| Other | 8.7us-gaap_DeferredTaxAssetsOther | 5.9us-gaap_DeferredTaxAssetsOther |
| Gross deferred income tax assets | 458.9us-gaap_DeferredTaxAssetsGross | 371.7us-gaap_DeferredTaxAssetsGross |
| Valuation allowance | (121.4)us-gaap_DeferredTaxAssetsValuationAllowance | (121.5)us-gaap_DeferredTaxAssetsValuationAllowance |
| Total deferred income tax assets, net | 337.5us-gaap_DeferredTaxAssetsNet | 250.2us-gaap_DeferredTaxAssetsNet |
| Deferred income tax liabilities: | ||
| Goodwill and intangible assets | (334.5)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets | (313.7)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets |
| Pension expense | (99.9)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses | (101.9)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses |
| Undistributed earnings of foreign subsidiaries | (96.1)us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings | (52.5)us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings |
| Depreciation | (13.4)efx_DeferredTaxLiabilitiesDepreciation | (14.5)efx_DeferredTaxLiabilitiesDepreciation |
| Other | (15.4)us-gaap_DeferredTaxLiabilitiesOther | (11.7)us-gaap_DeferredTaxLiabilitiesOther |
| Total deferred income tax liability | (559.3)us-gaap_DeferredTaxLiabilities | (494.3)us-gaap_DeferredTaxLiabilities |
| Net deferred income tax liability | $ (221.8)us-gaap_DeferredTaxAssetsLiabilitiesNet | $ (244.1)us-gaap_DeferredTaxAssetsLiabilitiesNet |
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- Definition
Deferred Tax Liabilities, Depreciation No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. No definition available.
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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