Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
GOODWILL AND OTHER INTANGIBLE ASSETS (Changes in Amount of Goodwill) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Goodwill [Roll Forward]      
Beginning Balance $ 2,606.8 [1] $ 2,395.1  
Acquisitions   240.2  
Adjustments to initial purchase price allocation   2.1  
Foreign currency translation (35.8) (30.5)  
Tax benefits of options exercised   (0.1)  
Ending Balance 2,571.0 2,606.8 [1]  
U.S. Information Solutions      
Goodwill [Roll Forward]      
Beginning Balance [1] 1,071.3 1,004.9 [2]  
Acquisitions   66.4  
Adjustments to initial purchase price allocation   0.0  
Foreign currency translation 0.0 0.0  
Tax benefits of options exercised   0.0  
Ending Balance 1,071.3 1,071.3 [1]  
International      
Goodwill [Roll Forward]      
Beginning Balance [1] 473.1 322.7 [2]  
Acquisitions   173.8  
Adjustments to initial purchase price allocation   2.1  
Foreign currency translation (31.6) (25.5)  
Tax benefits of options exercised   0.0  
Ending Balance 441.5 473.1 [1]  
Workforce Solutions      
Goodwill [Roll Forward]      
Beginning Balance 907.6 907.7  
Acquisitions   0.0  
Adjustments to initial purchase price allocation   0.0  
Foreign currency translation 0.0 0.0  
Tax benefits of options exercised   (0.1)  
Ending Balance 907.6 907.6  
Personal Solutions      
Goodwill [Roll Forward]      
Beginning Balance 154.8 159.8  
Acquisitions   0.0  
Adjustments to initial purchase price allocation   0.0  
Foreign currency translation (4.2) (5.0)  
Tax benefits of options exercised   0.0  
Ending Balance $ 150.6 154.8  
Intersegment Eliminations [Member] | Personal Solutions [Member]      
Goodwill [Line Items]      
Goodwill Reallocated from USIS segment   49.3 $ 49.3
Goodwill [Roll Forward]      
Goodwill Reallocated from International segment   88.8 $ 93.8
Intersegment Eliminations [Member] | U.S. Information Solutions      
Goodwill [Roll Forward]      
Beginning Balance   21.7  
Intersegment Eliminations [Member] | International      
Goodwill [Roll Forward]      
Beginning Balance   $ 15.5  
[1] (1)The December 31, 2014 and 2013 balances have been recast to reflect the new organizational structure. As of December 31, 2014, the Personal Solutions goodwill includes $49.3 million and $88.8 million of goodwill from the USIS and International segments, respectively. As of December 31, 2013, the Personal Solutions goodwill includes $49.3 million and $93.8 million of goodwill from the USIS and International segments, respectively.
[2] (2) The December 31, 2013 balances have been recast to reflect the new organizational structure. As of December 31, 2013, the USIS and International goodwill include $21.7 million and $15.5 million of goodwill, respectively, from the legacy NACS segment.