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Changes in Amount of Goodwill (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2011
US Consumer Information Solutions
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Dec. 31, 2010
US Consumer Information Solutions
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Dec. 31, 2011
International
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Dec. 31, 2010
International
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Dec. 31, 2011
TALX Workforce Solutions
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Dec. 31, 2010
TALX Workforce Solutions
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Dec. 31, 2011
North America Personal Solutions
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Dec. 31, 2010
North America Personal Solutions
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Dec. 31, 2009
North America Personal Solutions
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Dec. 31, 2011
North America Commercial Solutions
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Dec. 31, 2010
North America Commercial Solutions
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| Goodwill [Line Items] | |||||||||||||
| Beginning Balance | $ 1,914.7 | $ 1,943.2 | $ 628.5 | $ 667.8 | $ 346.9 | $ 335.7 | $ 899.9 | $ 900.6 | $ 1.8 | $ 1.8 | $ 1.8 | $ 37.6 | $ 37.3 |
| Acquisitions | 75.6 | 47.5 | 10.1 | 41.0 | 30.9 | 6.5 | 34.6 | ||||||
| Adjustments to initial purchase price allocation | 0.2 | (1.5) | (0.2) | (0.8) | (0.1) | 0.5 | (0.7) | ||||||
| Foreign currency translation | 3.9 | 5.0 | 4.0 | 4.7 | (0.1) | 0.3 | |||||||
| Businesses sold | (33.2) | (79.5) | (79.5) | (33.2) | |||||||||
| Ending Balance | $ 1,961.2 | $ 1,914.7 | $ 638.4 | $ 628.5 | $ 348.5 | $ 346.9 | $ 935.0 | $ 899.9 | $ 1.8 | $ 1.8 | $ 1.8 | $ 37.5 | $ 37.6 |
| X | ||||||||||
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- Definition
Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Purchase price allocation adjustment for allocation not yet complete at the prior year end. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The increase (decrease) to the recorded value of goodwill for foreign currency translation adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Write-off of the carrying amount of goodwill associated with all or a portion of a reporting unit that is sold in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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