Quarterly report pursuant to Section 13 or 15(d)

SEGMENT INFORMATION - Total Assets by Operating Segments (Details)

v3.22.1
SEGMENT INFORMATION - Total Assets by Operating Segments (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Segment Reporting Information [Line Items]    
Assets $ 11,391.7 $ 11,040.9
Operating Segments | Workforce Solutions    
Segment Reporting Information [Line Items]    
Assets 4,035.4 3,888.3
Operating Segments | U.S. Information Solutions    
Segment Reporting Information [Line Items]    
Assets 3,117.6 3,091.4
Operating Segments | International    
Segment Reporting Information [Line Items]    
Assets 3,403.4 3,271.5
General Corporate    
Segment Reporting Information [Line Items]    
Assets $ 835.3 $ 789.7