Quarterly report [Sections 13 or 15(d)]

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

v3.26.1
GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in Amount of Goodwill (Details)
$ in Millions
 3 Months Ended
Mar. 31, 2026
USD ($)
Goodwill [Roll Forward]  
Balance, Beginning of period $ 6,745.7
Foreign currency translation 45.2
Balance, End of period 6,790.9
Workforce Solutions  
Goodwill [Roll Forward]  
Balance, Beginning of period 2,574.1
Foreign currency translation
Balance, End of period 2,574.1
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 2,165.4
Foreign currency translation 45.2
Balance, End of period $ 2,210.6