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
 6 Months Ended
Jun. 30, 2026
USD ($)
Goodwill [Roll Forward]  
Balance, Beginning of period $ 6,745.7
Adjustments to initial purchase price allocation (1.7)
Foreign currency translation 48.8
Balance, End of period 6,792.8
Workforce Solutions  
Goodwill [Roll Forward]  
Balance, Beginning of period 2,574.1
Adjustments to initial purchase price allocation (1.7)
Foreign currency translation (0.1)
Balance, End of period 2,572.3
U.S. Information Solutions  
Goodwill [Roll Forward]  
Balance, Beginning of period 2,006.2
Adjustments to initial purchase price allocation 0.0
Foreign currency translation 0.0
Balance, End of period 2,006.2
International  
Goodwill [Roll Forward]  
Balance, Beginning of period 2,165.4
Adjustments to initial purchase price allocation 0.0
Foreign currency translation 48.9
Balance, End of period $ 2,214.3