GOODWILL AND INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Amount of Goodwill

Changes in the amount of goodwill for the three months ended March 31, 2025 are as follows:

	Workforce Solutions		U.S. Information Solutions		International		Total
Balance, December 31, 2024	$	2,519.8	$	2,006.2	$	2,021.8	$	6,547.8
Foreign currency translation	—		—		42.7		42.7
Balance, March 31, 2025	$	2,519.8	$	2,006.2	$	2,064.5	$	6,590.5

Schedule of Purchased Intangible Assets

Purchased intangible assets, net, recorded on our Consolidated Balance Sheets at March 31, 2025 and December 31, 2024 consisted of the following:

	March 31, 2025						December 31, 2024
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Definite-lived intangible assets:	(In millions)
Purchased data files	$	1,119.7	$	(693.3)	$	426.4	$	1,111.9	$	(669.5)	$	442.4
Customer relationships	946.5		(502.1)		444.4		937.7		(484.2)		453.5
Proprietary database	701.2		(237.9)		463.3		704.9		(227.6)		477.3
Acquired software and technology	216.9		(114.4)		102.5		217.6		(106.3)		111.3
Trade names, non-compete agreements and other intangible assets	49.1		(11.7)		37.4		49.7		(13.2)		36.5
Total definite-lived intangible assets	$	3,033.4	$	(1,559.4)	$	1,474.0	$	3,021.8	$	(1,500.8)	$	1,521.0

Schedule of Estimated Future Amortization Expense

Estimated future amortization expense related to definite-lived purchased intangible assets at March 31, 2025 is as follows:

Years ending December 31,	Amount
	(In millions)
2025	$	185.4
2026	234.3
2027	221.2
2028	160.7
2029	149.8
Thereafter	522.6
	$	1,474.0