Quarterly report pursuant to Section 13 or 15(d)

DISCONTINUED OPERATIONS - Additional Information (Detail)

v2.4.0.8
DISCONTINUED OPERATIONS - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Mar. 31, 2013
Sep. 30, 2014
Sep. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash received from divestitures     $ 0.6 $ 47.5
Revenue from discontinued operations 0     9.3
Pretax income from discontinued operations 0     1.5
Gain on divestitures   18.4    
Income tax benefit from disposals   18.1    
Discontinued Operation Income Loss From Discontinued Operation Income Tax Benefit Current   14.3    
U.S. Information Solutions [Member]
       
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash received from divestitures   47.5    
Talent Management Services [Member]
       
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Cash received from divestitures   $ 3.5