GOODWILL AND INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Amount of Goodwill

Changes in the amount of goodwill for the six months ended June 30, 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	1.4		(0.2)		(5.2)		(4.0)
Foreign currency translation	—		—		(87.3)		(87.3)
Balance, June 30, 2022	$	2,411.7	$	1,899.9	$	1,927.1	$	6,238.7

Purchased Intangible Assets

Purchased intangible assets at June 30, 2022 and December 31, 2021 consisted of the following:

	June 30, 2022						December 31, 2021
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Definite-lived intangible assets:	(In millions)
Purchased data files	$	1,100.2	$	(495.6)	$	604.6	$	1,103.1	$	(466.0)	$	637.1
Customer relationships	825.8		(377.3)		448.5		805.2		(354.9)		450.3
Proprietary database	708.0		(87.1)		620.9		710.2		(59.3)		650.9
Acquired software and technology	164.3		(29.3)		135.0		160.0		(18.9)		141.1
Trade names and other intangible assets	25.0		(15.5)		9.5		23.9		(12.6)		11.3
Non-compete agreements	13.6		(4.7)		8.9		11.0		(3.7)		7.3
Total definite-lived intangible assets	$	2,836.9	$	(1,009.5)	$	1,827.4	$	2,813.4	$	(915.4)	$	1,898.0

Estimated Future Amortization Expense

Estimated future amortization expense related to definite-lived purchased intangible assets at June 30, 2022 is as follows:

Years ending December 31,	Amount
	(In millions)
2022	$	115.3
2023	223.5
2024	212.9
2025	207.9
2026	195.9
Thereafter	871.9
	$	1,827.4