Quarterly report pursuant to Section 13 or 15(d)

Operating Revenue and Operating Income by Operating Segment (Detail)

 v2.3.0.11
Operating Revenue and Operating Income by Operating Segment (Detail) (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Segment Reporting Information [Line Items]        
Operating revenue $ 487.1 $ 460.7 $ 959.7 $ 903.7
Operating Income 114.6 105.8 223.7 210.1
US Consumer Information Solutions
       
Segment Reporting Information [Line Items]        
Operating revenue 194.0 184.6 375.0 357.7
Operating Income 70.8 68.3 132.5 128.4
International
       
Segment Reporting Information [Line Items]        
Operating revenue 130.8 118.2 258.0 234.4
Operating Income 34.2 30.1 64.0 58.8
TALX
       
Segment Reporting Information [Line Items]        
Operating revenue 96.3 99.0 195.7 194.3
Operating Income 20.8 23.0 42.5 44.5
North America Personal Solutions
       
Segment Reporting Information [Line Items]        
Operating revenue 45.2 40.3 89.6 80.0
Operating Income 12.5 10.2 25.2 20.2
North America Commercial Solutions
       
Segment Reporting Information [Line Items]        
Operating revenue 20.8 18.6 41.4 37.3
Operating Income 4.4 3.7 9.5 8.1
General Corporate Expense
       
Segment Reporting Information [Line Items]        
Operating Income $ (28.1) $ (29.5) $ (50.0) $ (49.9)