Annual report pursuant to Section 13 and 15(d)

QUARTERLY FINANCIAL DATA (Quarterly Financial Data) (Detail)

v2.4.1.9
QUARTERLY FINANCIAL DATA (Quarterly Financial Data) (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]                      
Operating revenue $ 624.6us-gaap_SalesRevenueServicesNet $ 613.4us-gaap_SalesRevenueServicesNet $ 613.9us-gaap_SalesRevenueServicesNet $ 584.5us-gaap_SalesRevenueServicesNet $ 578.5us-gaap_SalesRevenueServicesNet $ 572.0us-gaap_SalesRevenueServicesNet $ 586.9us-gaap_SalesRevenueServicesNet $ 566.5us-gaap_SalesRevenueServicesNet $ 2,436.4us-gaap_SalesRevenueServicesNet $ 2,303.9us-gaap_SalesRevenueServicesNet $ 2,073.0us-gaap_SalesRevenueServicesNet
Operating income 165.2us-gaap_OperatingIncomeLoss 153.7us-gaap_OperatingIncomeLoss 167.4us-gaap_OperatingIncomeLoss 151.9us-gaap_OperatingIncomeLoss 154.1us-gaap_OperatingIncomeLoss 150.0us-gaap_OperatingIncomeLoss 158.1us-gaap_OperatingIncomeLoss 149.0us-gaap_OperatingIncomeLoss 638.2us-gaap_OperatingIncomeLoss 611.2us-gaap_OperatingIncomeLoss 480.0us-gaap_OperatingIncomeLoss
Consolidated income from continuing operations 98.8us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 94.4us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 94.5us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 86.3us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 78.9us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 86.1us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 92.3us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 84.2us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 374.0us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 341.5us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 275.3us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Discontinued operations, net of tax         0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax (0.6)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 19.0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 18.4us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 5.5us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Consolidated net income 98.8us-gaap_ProfitLoss 94.4us-gaap_ProfitLoss 94.5us-gaap_ProfitLoss 86.3us-gaap_ProfitLoss 78.9us-gaap_ProfitLoss 85.5us-gaap_ProfitLoss 92.3us-gaap_ProfitLoss 103.2us-gaap_ProfitLoss 374.0us-gaap_ProfitLoss 359.9us-gaap_ProfitLoss 280.8us-gaap_ProfitLoss
Net income attributable to Equifax $ 98.0us-gaap_NetIncomeLoss $ 92.7us-gaap_NetIncomeLoss $ 92.8us-gaap_NetIncomeLoss $ 83.9us-gaap_NetIncomeLoss $ 76.7us-gaap_NetIncomeLoss $ 83.5us-gaap_NetIncomeLoss $ 90.5us-gaap_NetIncomeLoss $ 101.1us-gaap_NetIncomeLoss $ 367.4us-gaap_NetIncomeLoss $ 351.8us-gaap_NetIncomeLoss $ 272.1us-gaap_NetIncomeLoss
Basic earnings per common share                      
Net income from continuing operations attributable to Equifax $ 0.82us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.77us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.76us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.69us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.63us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.69us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.75us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.68us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 3.03us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 2.75us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 2.22us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Discontinued operations attributable to Equifax         $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.16us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.15us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.05us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
Net income attributable to Equifax $ 0.82us-gaap_EarningsPerShareBasic $ 0.77us-gaap_EarningsPerShareBasic $ 0.76us-gaap_EarningsPerShareBasic $ 0.69us-gaap_EarningsPerShareBasic $ 0.63us-gaap_EarningsPerShareBasic $ 0.69us-gaap_EarningsPerShareBasic $ 0.75us-gaap_EarningsPerShareBasic $ 0.84us-gaap_EarningsPerShareBasic $ 3.03us-gaap_EarningsPerShareBasic $ 2.90us-gaap_EarningsPerShareBasic $ 2.27us-gaap_EarningsPerShareBasic
Diluted earnings per common share                      
Net income from continuing operations attributable to Equifax $ 0.80us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.75us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.75us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.67us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.62us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.67us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.73us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.67us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 2.97us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 2.69us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 2.18us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Discontinued operations attributable to Equifax         $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.15us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.15us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.04us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
Net income attributable to Equifax $ 0.80us-gaap_EarningsPerShareDiluted $ 0.75us-gaap_EarningsPerShareDiluted $ 0.75us-gaap_EarningsPerShareDiluted $ 0.67us-gaap_EarningsPerShareDiluted $ 0.62us-gaap_EarningsPerShareDiluted $ 0.67us-gaap_EarningsPerShareDiluted $ 0.73us-gaap_EarningsPerShareDiluted $ 0.82us-gaap_EarningsPerShareDiluted $ 2.97us-gaap_EarningsPerShareDiluted $ 2.84us-gaap_EarningsPerShareDiluted $ 2.22us-gaap_EarningsPerShareDiluted