Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
GOODWILL AND INTANGIBLE ASSETS (Changes in Amount of Goodwill) (Detail) (USD $)
In Millions, unless otherwise specified
 9 Months Ended
Sep. 30, 2014
Goodwill [Line Items]  
Balance, December 31, 2013 $ 2,395.1
Acquisitions 240.2
Adjustments to initial purchase price allocation 1.6
Foreign currency translation (12.2)
Tax benefits of stock options exercised (0.1)
Balance, September 30, 2014 2,624.6
U.S. Information Solutions [Member]
  
Goodwill [Line Items]  
Balance, December 31, 2013 1,054.2 [1]
Acquisitions 66.4
Adjustments to initial purchase price allocation 0
Foreign currency translation 0
Tax benefits of stock options exercised 0
Balance, September 30, 2014 1,120.6
International [Member]
  
Goodwill [Line Items]  
Balance, December 31, 2013 416.5 [1]
Acquisitions 173.8
Adjustments to initial purchase price allocation 1.6
Foreign currency translation (12.2)
Tax benefits of stock options exercised 0
Balance, September 30, 2014 579.7
Workforce Solutions [Member]
  
Goodwill [Line Items]  
Balance, December 31, 2013 907.7
Acquisitions 0
Adjustments to initial purchase price allocation 0
Foreign currency translation 0
Tax benefits of stock options exercised (0.1)
Balance, September 30, 2014 907.6
North America Personal Solutions [Member]
  
Goodwill [Line Items]  
Balance, December 31, 2013 16.7
Acquisitions 0
Adjustments to initial purchase price allocation 0
Foreign currency translation 0
Tax benefits of stock options exercised 0
Balance, September 30, 2014 $ 16.7
[1] 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.