Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
GOODWILL AND INTANGIBLE ASSETS - Changes in Amount of Goodwill (Details)
$ in Millions
3 Months Ended
Mar. 31, 2018
USD ($)
Goodwill [Roll Forward]  
Balance, Beginning of period $ 4,184.0
Acquisitions 8.3
Adjustments to initial purchase price allocation (1.0)
Foreign currency translation 30.1
Balance, End of period 4,221.4
U.S. Information Solutions  
Goodwill [Roll Forward]  
Balance, Beginning of period 1,071.3
Acquisitions 0.0
Adjustments to initial purchase price allocation 0.0
Foreign currency translation 0.0
Balance, End of period 1,071.3
International  
Goodwill [Roll Forward]  
Balance, Beginning of period 1,969.4
Acquisitions 0.0
Adjustments to initial purchase price allocation 0.0
Foreign currency translation 25.5
Balance, End of period 1,994.9
Workforce Solutions  
Goodwill [Roll Forward]  
Balance, Beginning of period 952.1
Acquisitions 8.3
Adjustments to initial purchase price allocation 0.0
Foreign currency translation 0.0
Balance, End of period 960.4
Global Consumer Solutions  
Goodwill [Roll Forward]  
Balance, Beginning of period 191.2
Acquisitions 0.0
Adjustments to initial purchase price allocation (1.0)
Foreign currency translation 4.6
Balance, End of period $ 194.8