DISCONTINUED OPERATIONS - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash received from divestitures	$ 0	$ 43.7
Revenue from discontinued operations		9.3
Pretax income from discontinued operations		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
Us Consumer 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