Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
SEGMENT INFORMATION (Operating Revenue and Operating Income by Operating Segment) (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Segment Reporting Information [Line Items]          
Operating revenue $ 613.4 $ 572.0 $ 1,811.8 $ 1,725.4  
Operating income 153.7 150.0 473.0 457.1  
Total assets 4,707.1   4,707.1   4,539.9
U.S. Information Solutions [Member]
         
Segment Reporting Information [Line Items]          
Operating revenue 278.6 270.2 821.0 808.4  
Operating income 104.3 97.7 312.4 298.1  
Total assets 1,987.4   1,987.4   1,979.1
International [Member]
         
Segment Reporting Information [Line Items]          
Operating revenue 158.4 134.5 467.2 400.2  
Operating income 37.1 40.7 104.5 117.2  
Total assets 918.0   918.0   629.7
Workforce Solutions [Member]
         
Segment Reporting Information [Line Items]          
Operating revenue 122.5 115.0 361.6 361.9  
Operating income 39.8 34.5 119.0 110.2  
Total assets 1,279.4   1,279.4   1,295.5
North America Personal Solutions [Member]
         
Segment Reporting Information [Line Items]          
Operating revenue 53.9 52.3 162.0 154.9  
Operating income 17.0 13.7 48.8 42.4  
Total assets 47.2   47.2   42.9
General Corporate Expenses [Member]
         
Segment Reporting Information [Line Items]          
Operating income (44.5) (36.6) (111.7) (110.8)  
Total assets $ 475.1   $ 475.1   $ 592.7