Annual report pursuant to Section 13 and 15(d)

GOODWILL AND OTHER INTANGIBLE ASSETS (Changes in Amount of Goodwill) (Detail)

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GOODWILL AND OTHER INTANGIBLE ASSETS (Changes in Amount of Goodwill) (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Goodwill [Line Items]    
Beginning Balance $ 2,290.4 $ 1,961.2
Acquisitions 55.3 321.3
Adjustments to initial purchase price allocation 87.8 (1.0)
Foreign currency translation (8.0) 8.9
Tax benefits of options exercised (0.2)  
Businesses sold (30.2)  
Ending Balance 2,395.1 2,290.4
US Consumer Information Solutions
    
Goodwill [Line Items]    
Beginning Balance 947.7 638.4
Acquisitions 0 309.3
Adjustments to initial purchase price allocation 87.5 0
Foreign currency translation 0 0
Tax benefits of options exercised 0  
Businesses sold (2.7)  
Ending Balance 1,032.5 947.7
International
    
Goodwill [Line Items]    
Beginning Balance 369.3 348.5
Acquisitions 40.8 12.0
Adjustments to initial purchase price allocation (0.1) 0
Foreign currency translation (7.6) 8.8
Tax benefits of options exercised 0  
Businesses sold (1.4)  
Ending Balance 401.0 369.3
Workforce Solutions
    
Goodwill [Line Items]    
Beginning Balance 934.0 935.0
Acquisitions 0 0
Adjustments to initial purchase price allocation 0 (1.0)
Foreign currency translation 0 0
Tax benefits of options exercised (0.2)  
Businesses sold (26.1)  
Ending Balance 907.7 934.0
North America Personal Solutions
    
Goodwill [Line Items]    
Beginning Balance 1.8 1.8
Acquisitions 14.5 0
Adjustments to initial purchase price allocation 0.4 0
Foreign currency translation 0 0
Tax benefits of options exercised 0  
Businesses sold 0  
Ending Balance 16.7 1.8
North America Commercial Solutions
    
Goodwill [Line Items]    
Beginning Balance 37.6 37.5
Acquisitions 0 0
Adjustments to initial purchase price allocation 0 0
Foreign currency translation (0.4) 0.1
Tax benefits of options exercised 0  
Businesses sold 0  
Ending Balance $ 37.2 $ 37.6