GOODWILL AND INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Amount of Goodwill

Changes in the amount of goodwill for the three months ended March 31, 2022, are as follows:

	Workforce Solutions		U.S. Information Solutions		International		Total
Balance, December 31, 2021	$	2,365.4	$	1,900.1	$	1,992.6	$	6,258.1
Acquisitions	44.9		—		27.0		71.9
Adjustments to initial purchase price allocation	0.3		—		(0.1)		0.2
Foreign currency translation	—		—		47.9		47.9
Balance, March 31, 2022	$	2,410.6	$	1,900.1	$	2,067.4	$	6,378.1

Purchased Intangible Assets

Purchased intangible assets at March 31, 2022 and December 31, 2021 consisted of the following:

	March 31, 2022						December 31, 2021
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Definite-lived intangible assets:	(In millions)
Purchased data files	$	1,115.7	$	(489.5)	$	626.2	$	1,103.1	$	(466.0)	$	637.1
Customer relationships	854.2		(372.1)		482.1		805.2		(354.9)		450.3
Proprietary database	709.4		(73.3)		636.1		710.2		(59.3)		650.9
Acquired software and technology	165.7		(23.2)		142.5		160.0		(18.9)		141.1
Trade names and other intangible assets	26.2		(14.5)		11.7		23.9		(12.6)		11.3
Non-compete agreements	13.6		(4.4)		9.2		11.0		(3.7)		7.3
Total definite-lived intangible assets	$	2,884.8	$	(977.0)	$	1,907.8	$	2,813.4	$	(915.4)	$	1,898.0

Estimated Future Amortization Expense

Estimated future amortization expense related to definite-lived purchased intangible assets at March 31, 2022 is as follows:

Years ending December 31,	Amount
	(In millions)
2022	$	175.0
2023	223.7
2024	212.0
2025	208.7
2026	197.4
Thereafter	891.0
	$	1,907.8