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
Jun. 30, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]    
Assets $ 7,116.9 $ 7,233.4
Operating Segments | U.S. Information Solutions    
Segment Reporting Information [Line Items]    
Assets 1,573.4 1,587.3
Operating Segments | International    
Segment Reporting Information [Line Items]    
Assets 3,015.2 3,145.7
Operating Segments | Workforce Solutions    
Segment Reporting Information [Line Items]    
Assets 1,245.0 1,227.4
Operating Segments | Global Consumer Solutions    
Segment Reporting Information [Line Items]    
Assets 247.8 254.0
General Corporate    
Segment Reporting Information [Line Items]    
Assets $ 1,035.5 $ 1,019.0