XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.10.0.1

GOODWILL AND INTANGIBLE ASSETS - Purchased Intangible Assets (Details) - USD ($) $ in Millions | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross | $ 1,875.7 | $ 2,000.1
Accumulated Amortization | (742.9) | (753.1)
Net | 1,132.8 | 1,247.0
Purchased data files |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross | 918.2 | 955.7
Accumulated Amortization | (291.8) | (262.2)
Net | 626.4 | 693.5
Acquired software and technology |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross | 118.8 | 142.3
Accumulated Amortization | (65.9) | (66.6)
Net | 52.9 | 75.7
Customer relationships |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross | 694.9 | 772.4
Accumulated Amortization | (286.3) | (326.7)
Net | 408.6 | 445.7
Reacquired rights |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross | 73.3 | 73.3
Accumulated Amortization | (73.3) | (65.6)
Net | 0.0 | 7.7
Proprietary database |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross | 46.3 | 22.1
Accumulated Amortization | (11.1) | (8.7)
Net | 35.2 | 13.4
Non-compete agreements |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross | 4.9 | 14.1
Accumulated Amortization | (3.2) | (12.7)
Net | 1.7 | 1.4
Trade names and other intangible assets |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross | 19.3 | 20.2
Accumulated Amortization | (11.3) | (10.6)
Net | $ 8.0 | $ 9.6

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_AcquiredFiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DatabasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=efx_TechnologyAndSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=efx_ReacquiredRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=efx_ProprietaryDatabaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=efx_TradenamesAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |