CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net income	$ 68.3	$ 146.1	$ (486.1)	$ 240.0
Other comprehensive (loss) income:
Foreign currency translation adjustment	(58.1)	(153.9)	(20.0)	(111.0)
Change in unrecognized prior service cost and actuarial losses related to our pension and other postretirement benefit plans, net	3.0	3.9	6.0	7.9
Change in cumulative loss from cash flow hedging transactions, net			0.1
Change in cumulative loss from cash flow hedging transactions, net				0.0
Comprehensive (loss) income	13.2	(3.9)	(500.0)	136.9
Equifax Shareholders
Net income	66.8	144.8	(489.1)	235.8
Other comprehensive (loss) income:
Foreign currency translation adjustment	(57.1)	(159.2)	(19.8)	(117.9)
Change in unrecognized prior service cost and actuarial losses related to our pension and other postretirement benefit plans, net	3.0	3.9	6.0	7.9
Change in cumulative loss from cash flow hedging transactions, net			0.1
Change in cumulative loss from cash flow hedging transactions, net				0.0
Comprehensive (loss) income	12.7	(10.5)	(502.8)	125.8
Noncontrolling Interests
Net income	1.5	1.3	3.0	4.2
Other comprehensive (loss) income:
Foreign currency translation adjustment	(1.0)	5.3	(0.2)	6.9
Change in unrecognized prior service cost and actuarial losses related to our pension and other postretirement benefit plans, net	0.0	0.0	0.0	0.0
Change in cumulative loss from cash flow hedging transactions, net			0.0
Change in cumulative loss from cash flow hedging transactions, net				0.0
Comprehensive (loss) income	$ 0.5	$ 6.6	$ 2.8	$ 11.1