Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
SEGMENT INFORMATION - Operating Revenue and Operating Income by Operating Segment (Details)
$ in Millions
3 Months Ended
Mar. 31, 2017
USD ($)
segment
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Segment Reporting Information [Line Items]      
Operating revenue $ 832.2 $ 728.3  
Operating income 216.8 176.2  
Total assets $ 6,789.0   $ 6,664.0
Number of reporting segments | segment 4    
Number of operating segments | segment 4    
General Corporate Expense      
Segment Reporting Information [Line Items]      
Operating income $ (63.0) (71.6)  
Total assets 422.0   376.8
U.S. Information Solutions | Operating Segments      
Segment Reporting Information [Line Items]      
Operating revenue 310.1 294.9  
Operating income 129.7 122.8  
Total assets 1,800.5   1,824.0
International | Operating Segments      
Segment Reporting Information [Line Items]      
Operating revenue 216.2 158.1  
Operating income 29.8 19.4  
Total assets 3,032.3   2,932.5
Workforce Solutions | Operating Segments      
Segment Reporting Information [Line Items]      
Operating revenue 200.0 180.1  
Operating income 89.5 78.6  
Total assets 1,342.4   1,337.0
Global Consumer Solutions | Operating Segments      
Segment Reporting Information [Line Items]      
Operating revenue 105.9 95.2  
Operating income 30.8 $ 27.0  
Total assets $ 191.8   $ 193.7