Quarterly report pursuant to Section 13 or 15(d)

SEGMENT INFORMATION (Operating Revenue and Operating Income by Operating Segment) (Details)

v3.5.0.2
SEGMENT INFORMATION (Operating Revenue and Operating Income by Operating Segment) (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
segment
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Segment Reporting Information [Line Items]          
Operating revenue $ 804.1 $ 667.4 $ 2,343.8 $ 1,997.3  
Operating income 212.1 174.3 614.0 517.0  
Total assets 6,806.6   $ 6,806.6   $ 4,501.5
Number of reporting segments | segment     4    
Number of operating segments | segment     4    
General Corporate Expense          
Segment Reporting Information [Line Items]          
Operating income (51.6) (46.8) $ (169.2) (173.6)  
Total assets 376.8   376.8   321.0
U.S. Information Solutions | Operating Segments          
Segment Reporting Information [Line Items]          
Operating revenue 317.4 292.5 920.2 875.1  
Operating income 139.5 117.0 396.3 368.1  
Total assets 1,842.7   1,842.7   1,869.6
International | Operating Segments          
Segment Reporting Information [Line Items]          
Operating revenue 214.3 145.4 591.2 425.9  
Operating income 26.3 28.5 79.3 84.0  
Total assets 3,053.0   3,053.0   844.5
Workforce Solutions | Operating Segments          
Segment Reporting Information [Line Items]          
Operating revenue 171.3 139.0 528.7 434.0  
Operating income 69.9 50.0 226.9 165.9  
Total assets 1,345.2   1,345.2   1,268.5
Global Consumer Solutions | Operating Segments          
Segment Reporting Information [Line Items]          
Operating revenue 101.1 90.5 303.7 262.3  
Operating income 28.0 $ 25.6 80.7 $ 72.6  
Total assets $ 188.9   $ 188.9   $ 197.9