Quarterly report pursuant to Section 13 or 15(d)

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

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GOODWILL AND INTANGIBLE ASSETS (Changes in Amount of Goodwill) (Detail)
$ in Millions
 6 Months Ended
Jun. 30, 2015
USD ($)
Goodwill [Line Items]  
Balance, December 31, 2014 $ 2,606.8
Acquisitions 0.0
Adjustments to initial purchase price allocation 0.0
Foreign currency translation (6.4)
Tax benefits of stock options exercised 0.0
Balance, June 30, 2015 2,600.4
U.S. Information Solutions  
Goodwill [Line Items]  
Balance, December 31, 2014 1,120.6
Acquisitions 0.0
Adjustments to initial purchase price allocation 0.0
Foreign currency translation 0.0
Tax benefits of stock options exercised 0.0
Balance, June 30, 2015 1,120.6
International  
Goodwill [Line Items]  
Balance, December 31, 2014 [1] 487.0
Acquisitions 0.0
Adjustments to initial purchase price allocation 0.0
Foreign currency translation (7.3)
Tax benefits of stock options exercised 0.0
Balance, June 30, 2015 479.7
Workforce Solutions  
Goodwill [Line Items]  
Balance, December 31, 2014 907.6
Acquisitions 0.0
Adjustments to initial purchase price allocation 0.0
Foreign currency translation 0.0
Tax benefits of stock options exercised 0.0
Balance, June 30, 2015 907.6
Personal Solutions  
Goodwill [Line Items]  
Balance, December 31, 2014 [1] 91.6
Acquisitions 0.0
Adjustments to initial purchase price allocation 0.0
Foreign currency translation 0.9
Tax benefits of stock options exercised 0.0
Balance, June 30, 2015 $ 92.5
[1] The December 31, 2014 balances have been recast to reflect the new organizational structure. As of December 31, 2014, the Personal Solutions goodwill includes $75.0 million of goodwill from the Europe reporting unit.