Annual report pursuant to Section 13 and 15(d)

GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
 12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in Amount of Goodwill
Changes in the amount of goodwill for the twelve months ended December 31, 2023 and 2022, are as follows:  
Workforce Solutions U.S.
Information
Solutions		 International Total
(In millions)
Balance, December 31, 2021 $ 2,365.4  $ 1,900.1  $ 1,992.6  $ 6,258.1 
Acquisitions 145.0  111.8  27.0  283.8 
Adjustments to initial purchase price allocation 10.7  (7.1) (3.5) 0.1 
Foreign currency translation (0.3) —  (133.2) (133.5)
Divestitures —  —  (24.6) (24.6)
Balance, December 31, 2022 2,520.8  2,004.8  1,858.3  6,383.9 
Acquisitions —  —  410.4  410.4 
Adjustments to initial purchase price allocation (0.7) 1.4  2.1  2.8 
Foreign currency translation 0.1  —  32.7  32.8 
Balance, December 31, 2023 $ 2,520.2  $ 2,006.2  $ 2,303.5  $ 6,829.9 
Purchased Intangible Assets Purchased intangible assets, net, recorded on our Consolidated Balance Sheets at December 31, 2023 and 2022, consisted of the following:
  December 31, 2023 December 31, 2022
Gross Accumulated
Amortization		 Net Gross Accumulated
Amortization		 Net
Definite-lived intangible assets: (In millions)
Purchased data files $ 1,158.5  $ (604.2) $ 554.3  $ 1,090.0  $ (527.8) $ 562.2 
Proprietary database 705.8  (171.5) 534.3  705.9  (115.0) 590.9 
Customer relationships 1,053.5  (484.2) 569.3  874.6  (407.4) 467.2 
Acquired software and technology 222.5  (75.4) 147.1  225.4  (42.6) 182.8 
Trade names, non-compete agreements and other intangible assets 79.6  (25.8) 53.8  41.2  (25.8) 15.4 
Total definite-lived intangible assets $ 3,219.9  $ (1,361.1) $ 1,858.8  $ 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 December 31, 2023 is as follows:
Years ending December 31, Amount
  (In millions)
2024 $ 265.9 
2025 257.9 
2026 241.9 
2027 229.2 
2028 173.1 
Thereafter 690.8 
  $ 1,858.8