Changes in the Amount of Goodwill (Detail) (USD $) In Millions |
9 Months Ended | 9 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Sep. 30, 2011 |
Sep. 30, 2011
US Consumer Information Solutions
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Sep. 30, 2011
International
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Sep. 30, 2011
TALX
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Sep. 30, 2011
North America Personal Solutions
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Dec. 31, 2010
North America Personal Solutions
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Sep. 30, 2011
North America Commercial Solutions
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| Goodwill [Line Items] | |||||||
| Beginning Balance | $ 1,914.7 | $ 628.5 | $ 346.9 | $ 899.9 | $ 1.8 | $ 1.8 | $ 37.6 |
| Acquisitions | 67.8 | 10.1 | 30.9 | 26.8 | |||
| Adjustments to initial purchase price allocation | (0.8) | (0.7) | (0.1) | ||||
| Foreign currency translation | 5.6 | 5.8 | (0.2) | ||||
| Tax benefits of stock options exercised | (0.2) | (0.2) | |||||
| Business sold | (33.2) | (33.2) | |||||
| Ending Balance | $ 1,953.9 | $ 637.9 | $ 350.3 | $ 926.5 | $ 1.8 | $ 1.8 | $ 37.4 |
| X | ||||||||||
- Definition Goodwill, Tax Deduction from Exercise of Stock Options
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| X | ||||||||||
- 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 | ||||||||||
- 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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- 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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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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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- 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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