GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Amount of Goodwill

Changes in the amount of goodwill for the nine months ended September 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	223.8		487.2		18.4		—		729.4
Adjustments to initial purchase price allocation	—		0.7		—		—		0.7
Foreign currency translation	—		—		(56.9)		1.5		(55.4)
Divestitures	—		—		(1.3)		—		(1.3)
Balance, September 30, 2021	$	1,234.5	$	1,774.6	$	1,968.1	$	192.0	$	5,169.2

Purchased Intangible Assets

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

	September 30, 2021						December 31, 2020
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Definite-lived intangible assets:	(In millions)
Purchased data files	$	1,107.4	$	(449.4)	$	658.0	$	913.7	$	(399.2)	$	514.5
Customer relationships	788.5		(348.9)		439.6		680.1		(331.4)		348.7
Proprietary database	190.1		(44.8)		145.3		148.6		(30.7)		117.9
Acquired software and technology	26.5		(13.8)		12.7		115.3		(106.6)		8.7
Trade names and other intangible assets	20.4		(12.3)		8.1		14.4		(9.4)		5.0
Non-compete agreements	11.1		(3.2)		7.9		6.5		(3.5)		3.0
Total definite-lived intangible assets	$	2,144.0	$	(872.4)	$	1,271.6	$	1,878.6	$	(880.8)	$	997.8

Estimated Future Amortization Expense

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

Years ending December 31,	Amount
	(In millions)
2021	$	41.6
2022	164.7
2023	158.0
2024	149.0
2025	145.5
Thereafter	612.8
	$	1,271.6