Quarterly report pursuant to Section 13 or 15(d)

SEGMENT INFORMATION - Total Assets by Operating Segments (Details)

v3.10.0.1
SEGMENT INFORMATION - Total Assets by Operating Segments (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]    
Assets $ 7,134.0 $ 7,233.4
Operating Segments | U.S. Information Solutions    
Segment Reporting Information [Line Items]    
Assets 1,657.2 1,587.3
Operating Segments | International    
Segment Reporting Information [Line Items]    
Assets 2,983.9 3,145.7
Operating Segments | Workforce Solutions    
Segment Reporting Information [Line Items]    
Assets 1,249.2 1,227.4
Operating Segments | Global Consumer Solutions    
Segment Reporting Information [Line Items]    
Assets 252.7 254.0
General Corporate    
Segment Reporting Information [Line Items]    
Assets $ 991.0 $ 1,019.0