GOODWILL AND INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Amount of Goodwill

Changes in the amount of goodwill for the six months ended June 30, 2021, are as follows:

	Workforce Solutions		U.S. Information Solutions		International		Global Consumer Solutions		Total
Balance, December 31, 2020	$	1,010.7	$	1,286.7	$	2,007.9	$	190.5	$	4,495.8
Acquisitions	128.2		433.1		18.4		—		579.7
Adjustments to initial purchase price allocation	1.3		(0.2)		—		—		1.1
Foreign currency translation	—		—		7.2		2.6		9.8
Divestitures	—		—		(1.3)		—		(1.3)
Balance, June 30, 2021	$	1,140.2	$	1,719.6	$	2,032.2	$	193.1	$	5,085.1

Purchased Intangible Assets

Purchased intangible assets at June 30, 2021 and December 31, 2020 consisted of the following:

	June 30, 2021						December 31, 2020
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Definite-lived intangible assets:	(In millions)
Purchased data files	$	1,121.8	$	(435.8)	$	686.0	$	913.7	$	(399.2)	$	514.5
Customer relationships	737.0		(350.7)		386.3		680.1		(331.4)		348.7
Proprietary database	165.4		(41.9)		123.5		148.6		(30.7)		117.9
Acquired software and technology	28.9		(17.7)		11.2		115.3		(106.6)		8.7
Trade names and other intangible assets	19.3		(11.3)		8.0		14.4		(9.4)		5.0
Non-compete agreements	10.9		(4.0)		6.9		6.5		(3.5)		3.0
Total definite-lived intangible assets	$	2,083.3	$	(861.4)	$	1,221.9	$	1,878.6	$	(880.8)	$	997.8

Estimated Future Amortization Expense

Estimated future amortization expense related to definite-lived purchased intangible assets at June 30, 2021 is as follows:

Years ending December 31,	Amount
	(In millions)
2021	$	78.5
2022	154.3
2023	147.8
2024	139.2
2025	135.6
Thereafter	566.5
	$	1,221.9