Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
SEGMENT INFORMATION (Operating Revenue and Operating Income by Operating Segment) (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2016
USD ($)
segment
Mar. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
Segment Reporting Information [Line Items]      
Operating revenue: $ 728.3 $ 651.8  
Operating income: 176.2 154.2  
Total assets: $ 6,732.9   $ 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: $ (71.6) (78.4)  
Total assets: 322.9   321.0
U.S. Information Solutions      
Segment Reporting Information [Line Items]      
Operating revenue: 294.9 284.5  
Operating income: 122.8 123.1  
Total assets: 1,858.9   1,869.6
International      
Segment Reporting Information [Line Items]      
Operating revenue: 158.1 135.4  
Operating income: 19.4 27.1  
Total assets: 3,057.1   844.5
Workforce Solutions      
Segment Reporting Information [Line Items]      
Operating revenue: 180.1 148.7  
Operating income: 78.6 60.0  
Total assets: 1,292.6   1,268.5
Global Consumer Solutions      
Segment Reporting Information [Line Items]      
Operating revenue: 95.2 83.2  
Operating income: 27.0 $ 22.4  
Total assets: $ 201.4   $ 197.9