GOODWILL AND INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Amount of Goodwill

Changes in the amount of goodwill for the three months ended March 31, 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
Foreign currency translation	—		—		13.1		2.0		15.1
Divestitures	—		—		(1.3)		—		(1.3)
Balance, March 31, 2021	$	1,138.9	$	1,719.8	$	2,038.1	$	192.5	$	5,089.3

Purchased Intangible Assets

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

	March 31, 2021						December 31, 2020
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Definite-lived intangible assets:	(In millions)
Purchased data files	$	1,145.1	$	(417.4)	$	727.7	$	913.7	$	(399.2)	$	514.5
Acquired software and technology	44.5		(32.5)		12.0		115.3		(106.6)		8.7
Customer relationships	686.2		(339.3)		346.9		680.1		(331.4)		348.7
Proprietary database	201.2		(36.0)		165.2		148.6		(30.7)		117.9
Non-compete agreements	9.3		(3.5)		5.8		6.5		(3.5)		3.0
Trade names and other intangible assets	18.0		(10.1)		7.9		14.4		(9.4)		5.0
Total definite-lived intangible assets	$	2,104.3	$	(838.8)	$	1,265.5	$	1,878.6	$	(880.8)	$	997.8

Estimated Future Amortization Expense

Estimated future amortization expense related to definite-lived purchased intangible assets at March 31, 2021 is as follows:

Years ending December 31,	Amount (1)
	(In millions)
2021	$	119.8
2022	155.1
2023	149.7
2024	141.2
2025	137.8
Thereafter	561.9
	$	1,265.5

(1)Future amortization expense amounts are subject to change as we finalize purchase price allocations.