Quarterly report [Sections 13 or 15(d)]

GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in Amount of Goodwill (Details)

v3.25.3
GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in Amount of Goodwill (Details)
$ in Millions
 9 Months Ended
Sep. 30, 2025
USD ($)
Goodwill [Roll Forward]  
Balance, Beginning of period $ 6,547.8
Foreign currency translation 116.9
Balance, End of period 6,664.7
Workforce Solutions  
Goodwill [Roll Forward]  
Balance, Beginning of period 2,519.8
Foreign currency translation 0.2
Balance, End of period 2,520.0
U.S. Information Solutions  
Goodwill [Roll Forward]  
Balance, Beginning of period 2,006.2
Foreign currency translation 0.0
Balance, End of period 2,006.2
International  
Goodwill [Roll Forward]  
Balance, Beginning of period 2,021.8
Foreign currency translation 116.7
Balance, End of period $ 2,138.5