Annual report pursuant to Section 13 and 15(d)

SEGMENT INFORMATION (Segment Information) (Detail)

v2.4.0.8
SEGMENT INFORMATION (Segment Information) (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Segment Reporting Disclosure [Line Items]                      
Operating revenue $ 578.5 $ 572.0 $ 586.9 $ 566.5 $ 533.8 $ 520.0 $ 513.3 $ 505.9 $ 2,303.9 $ 2,073.0 $ 1,893.2
Operating income 154.1 150.0 158.1 149.0 92.2 130.5 129.0 128.3 611.2 480.0 468.6
Total Assets 4,539.9       4,520.1       4,539.9 4,520.1  
Depreciation and amortization                 189.6 160.0 160.6
Capital expenditures                 83.3 66.0 75.0
US Consumer Information Solutions
                      
Segment Reporting Disclosure [Line Items]                      
Operating revenue                 1,013.4 869.3 765.0
Operating income                 397.8 345.2 298.9
Total Assets 1,926.4       2,010.5       1,926.4 2,010.5  
Depreciation and amortization                 86.0 40.6 42.1
Capital expenditures                 14.6 16.1 13.5
International
                      
Segment Reporting Disclosure [Line Items]                      
Operating revenue                 513.5 486.2 492.9
Operating income                 148.1 143.8 132.2
Total Assets 728.1       701.7       728.1 701.7  
Depreciation and amortization                 23.4 24.8 26.9
Capital expenditures                 19.2 10.7 15.8
Workforce Solutions
                      
Segment Reporting Disclosure [Line Items]                      
Operating revenue                 474.1 442.1 382.1
Operating income                 142.6 106.6 89.5
Total Assets 1,295.5       1,371.9       1,295.5 1,371.9  
Depreciation and amortization                 51.7 66.2 63.7
Capital expenditures                 14.6 12.8 23.4
North America Personal Solutions
                      
Segment Reporting Disclosure [Line Items]                      
Operating revenue                 207.4 185.5 163.9
Operating income                 58.6 50.4 41.3
Total Assets 42.9       23.7       42.9 23.7  
Depreciation and amortization                 7.5 7.0 6.0
Capital expenditures                 6.9 6.1 5.4
North America Commercial Solutions
                      
Segment Reporting Disclosure [Line Items]                      
Operating revenue                 95.5 89.9 89.3
Operating income                 21.4 19.8 23.6
Total Assets 62.9       64.2       62.9 64.2  
Depreciation and amortization                 3.5 4.7 5.1
Capital expenditures                 2.6 2.2 2.2
General Corporate Expense
                      
Segment Reporting Disclosure [Line Items]                      
Operating income                 (157.3) (185.8) (116.9)
Total Assets 484.1       348.1       484.1 348.1  
Depreciation and amortization                 17.5 16.7 16.8
Capital expenditures                 $ 25.4 $ 18.1 $ 14.7