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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) (USD $)
Share data in Millions, unless otherwise specified |
12 Months Ended | |||||
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Dec. 31, 2012
Segment
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Dec. 31, 2011
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Dec. 31, 2010
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| Significant Accounting Policies [Line Items] | ||||||
| Number of reportable segments | 5 | |||||
| Advertising costs from continuing operation | $ 48,700,000 | $ 42,000,000 | $ 32,600,000 | |||
| Bad debt expense from continuing operations | 2,100,000 | 2,800,000 | 800,000 | |||
| Depreciation expense | 75,000,000 | 75,000,000 | 72,200,000 | |||
| Fixed assets ,Collateral | 88,400,000 | 65,300,000 | ||||
| Carrying value of debt | 1,720,400,000 | 999,200,000 | ||||
| Variable interest maximum exposure to loss | 13,500,000 | |||||
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Fair Value, Measurements, Recurring
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| Significant Accounting Policies [Line Items] | ||||||
| Fair value of interest rate swaps | 12,200,000 | [1] | 14,800,000 | |||
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Capitalized internal-use software and systems costs | Maximum [Member]
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| Significant Accounting Policies [Line Items] | ||||||
| Useful Life | 10 years | |||||
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Capitalized internal-use software and systems costs | Minimum [Member]
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| Significant Accounting Policies [Line Items] | ||||||
| Useful Life | 3 years | |||||
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Fixed Rate Debt
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| Significant Accounting Policies [Line Items] | ||||||
| Fair value of debt | 1,600,000,000 | 1,090,000,000 | ||||
| Carrying value of debt | $ 1,500,000,000 | $ 970,000,000 | ||||
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Data Processing Equipment, Capitalized Internal-Use Software and Systems Costs | Maximum [Member]
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| Significant Accounting Policies [Line Items] | ||||||
| Property Plant And Equipment Useful Life | 5 years | |||||
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Data Processing Equipment, Capitalized Internal-Use Software and Systems Costs | Minimum [Member]
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| Significant Accounting Policies [Line Items] | ||||||
| Property Plant And Equipment Useful Life | 3 years | |||||
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Building
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| Significant Accounting Policies [Line Items] | ||||||
| Property Plant And Equipment Useful Life | 40 years | |||||
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Other fixed assets | Maximum [Member]
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| Significant Accounting Policies [Line Items] | ||||||
| Property Plant And Equipment Useful Life | 7 years | |||||
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Other fixed assets | Minimum [Member]
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| Significant Accounting Policies [Line Items] | ||||||
| Property Plant And Equipment Useful Life | 3 years | |||||
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Stock Options
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| Significant Accounting Policies [Line Items] | ||||||
| Antidilutive stock options excluded from computation of earnings per share | 0.11 | 2.30 | 3.30 | |||
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US Consumer Information Solutions
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| Significant Accounting Policies [Line Items] | ||||||
| Percentage of revenue from a segment | 42.00% | |||||
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| X | ||||||||||
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- Definition
Percentage of Segment Revenue No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
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- Definition
Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. No definition available.
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| X | ||||||||||
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- Definition
Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available.
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| X | ||||||||||
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- Definition
The fair value, as of the date of each statement of financial position presented, of other assets which are owned but transferred to serve as collateral for the payment of the related debt obligation, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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| X | ||||||||||
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- Definition
Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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