GOODWILL AND INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Amount of Goodwill

Changes in the amount of goodwill for the six months ended June 30, 2023, are as follows:

	Workforce Solutions		U.S. Information Solutions		International		Total
Balance, December 31, 2022	$	2,520.8	$	2,004.8	$	1,858.3	$	6,383.9
Acquisitions	—		—		4.4		4.4
Adjustments to initial purchase price allocation	(0.1)		2.2		0.3		2.4
Foreign currency translation	0.1		—		10.4		10.5
Balance, June 30, 2023	$	2,520.8	$	2,007.0	$	1,873.4	$	6,401.2

Purchased Intangible Assets

Purchased intangible assets at June 30, 2023 and December 31, 2022 consisted of the following:

	June 30, 2023						December 31, 2022
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Definite-lived intangible assets:	(In millions)
Purchased data files	$	1,088.0	$	(562.9)	$	525.1	$	1,090.0	$	(527.8)	$	562.2
Customer relationships	878.2		(442.9)		435.3		874.6		(407.4)		467.2
Proprietary database	706.3		(143.3)		563.0		705.9		(115.0)		590.9
Acquired software and technology	222.7		(57.4)		165.3		225.4		(42.6)		182.8
Trade names and other intangible assets	22.4		(19.0)		3.4		26.7		(19.6)		7.1
Non-compete agreements	14.5		(7.5)		7.0		14.5		(6.2)		8.3
Total definite-lived intangible assets	$	2,932.1	$	(1,233.0)	$	1,699.1	$	2,937.1	$	(1,118.6)	$	1,818.5

Estimated Future Amortization Expense

Estimated future amortization expense related to definite-lived purchased intangible assets at June 30, 2023 is as follows:

Years ending December 31,	Amount
	(In millions)
2023	$	119.6
2024	227.9
2025	223.1
2026	209.0
2027	196.2
Thereafter	723.3
	$	1,699.1