GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Amount of Goodwill

Changes in the amount of goodwill for the nine months ended September 30, 2024, are as follows:

	Workforce Solutions		U.S. Information Solutions		International		Total
Balance, December 31, 2023	$	2,520.2	$	2,006.2	$	2,303.5	$	6,829.9
Adjustments to initial purchase price allocation	—		—		(68.7)		(68.7)
Foreign currency translation	(0.1)		—		(31.1)		(31.2)
Balance, September 30, 2024	$	2,520.1	$	2,006.2	$	2,203.7	$	6,730.0

Schedule of Purchased Intangible Assets

Purchased intangible assets, net, recorded on our Consolidated Balance Sheets at September 30, 2024 and December 31, 2023 consisted of the following:

	September 30, 2024						December 31, 2023
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Definite-lived intangible assets:	(In millions)
Purchased data files	$	1,153.6	$	(670.3)	$	483.3	$	1,158.5	$	(604.2)	$	554.3
Customer relationships	1,036.6		(542.4)		494.2		1,053.5		(484.2)		569.3
Proprietary database	705.6		(213.8)		491.8		705.8		(171.5)		534.3
Acquired software and technology	218.0		(97.6)		120.4		222.5		(75.4)		147.1
Trade names, non-compete agreements and other intangible assets	64.2		(21.8)		42.4		79.6		(25.8)		53.8
Total definite-lived intangible assets	$	3,178.0	$	(1,545.9)	$	1,632.1	$	3,219.9	$	(1,361.1)	$	1,858.8

Schedule of Estimated Future Amortization Expense

Estimated future amortization expense related to definite-lived purchased intangible assets at September 30, 2024 is as follows:

Years ending December 31,	Amount
	(In millions)
2024	$	64.8
2025	254.0
2026	238.2
2027	225.4
2028	169.2
Thereafter	680.5
	$	1,632.1