XML 24 R30.htm IDEA: XBRL DOCUMENT
v3.3.0.814

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) - USD ($) shares in Thousands, $ in Millions |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 04, 2015 | Oct. 24, 2014 | Sep. 30, 2015 | Feb. 04, 2015 | Sep. 30, 2015 | Dec. 31, 2014
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number of treasury shares repurchased |  |  | 150 |  | 2,100 |
Fair value of long term debt |  |  | $ 1,200.0 |  | $ 1,200.0 | $ 1,300.0
Carrying value of long term debt |  |  | 1,100.0 |  | 1,100.0 | $ 1,100.0
Variable interest maximum exposure to loss |  |  | $ 15.7 |  | $ 15.7 |
Variable interest entity, ownership interest |  |  | 75.00% |  | 75.00% |
Accelerated Share Repurchase Program |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Accelerated Share Repurchases, Settlement (Payment) or Receipt |  | $ 115.0 |  |  |  |
Number of treasury shares repurchased | 20 | 1,400 |  | 1,420 |  |
Accelerated Share Repurchase Program, Adjustment Percent |  | 10.00% |  |  |  |
Accelerated Share Repurchase Program, Adjustment |  | $ 11.5 | $ 0.0 |  | $ (11.5) |
Other Current Assets |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Restricted Cash and Cash Equivalents |  |  | 33.9 |  | 33.9 |
Other Current Liabilities |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Restricted Cash and Cash Equivalents |  |  | $ 33.9 |  | $ 33.9 |

X
- Definition Accelerated Share Repurchase Program, Adjustment Percent + References No definition available. + Details
Name: | efx_AcceleratedShareRepurchaseProgramAdjustmentPercent
Namespace Prefix: | efx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Long Term Debt, Carrying Amount + References No definition available. + Details
Name: | efx_LongTermDebtCarryingAmount
Namespace Prefix: | efx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | efx_SignificantAccountingPoliciesLineItems
Namespace Prefix: | efx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial in) the reporting entity (directly or indirectly) + References No definition available. + Details
Name: | efx_VariableInterestEntityQuantitativeInformationOwnershipPercentage
Namespace Prefix: | efx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount needed to adjust previously recorded stockholders' equity balances to the actual aggregate amounts paid, whether in cash or other consideration, to acquire all of the shares purchased under an Accelerated Share Repurchase arrangement. + References No definition available. + Details
Name: | us-gaap_AcceleratedShareRepurchaseProgramAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
Name: | us-gaap_AcceleratedShareRepurchasesSettlementPaymentOrReceipt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
Name: | us-gaap_LongTermDebtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_RestrictedCashAndCashEquivalents
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
Name: | us-gaap_TreasuryStockSharesAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5728-111685 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5747-111685 + Details
Name: | us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=efx_AcceleratedShareRepurchaseProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |