Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
GOODWILL AND OTHER INTANGIBLE ASSETS (Changes in Amount of Goodwill) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Goodwill [Roll Forward]      
Beginning Balance $ 2,571.0 $ 2,606.8 [1]  
Foreign currency translation (46.6) (35.8)  
Acquisitions 1,456.3    
Adjustments to initial purchase price allocation (6.4)    
Ending Balance 3,974.3 2,571.0  
U.S. Information Solutions      
Goodwill [Roll Forward]      
Beginning Balance 1,071.3 1,071.3 [1]  
Foreign currency translation 0.0 0.0  
Acquisitions 0.0    
Adjustments to initial purchase price allocation 0.0    
Ending Balance 1,071.3 1,071.3  
U.S. Information Solutions | Intersegment Eliminations      
Goodwill [Roll Forward]      
Reallocated goodwill     $ 49.3
International      
Goodwill [Roll Forward]      
Beginning Balance 441.5 473.1 [1]  
Foreign currency translation (32.3) (31.6)  
Acquisitions 1,411.6    
Adjustments to initial purchase price allocation (6.2)    
Ending Balance 1,814.6 441.5  
International | Intersegment Eliminations      
Goodwill [Roll Forward]      
Reallocated goodwill     $ 88.8
Workforce Solutions      
Goodwill [Roll Forward]      
Beginning Balance 907.6 907.6  
Foreign currency translation 0.0 0.0  
Acquisitions 44.7    
Adjustments to initial purchase price allocation (0.2)    
Ending Balance 952.1 907.6  
Global Consumer Solutions      
Goodwill [Roll Forward]      
Beginning Balance 150.6 154.8  
Foreign currency translation (14.3) (4.2)  
Acquisitions 0.0    
Adjustments to initial purchase price allocation 0.0    
Ending Balance $ 136.3 $ 150.6  
[1] The December 31, 2014 balances have been recast to reflect the new organizational structure. As of December 31, 2014, the Global Consumer Solutions goodwill includes $49.3 million and $88.8 million of goodwill from the USIS and International segments, respectively.