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Commitments, Contingencies And Guarantees (Narrative) (Detail) | Apr. 12, 2013 permits | Dec. 31, 2008 signs
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Commitments And Contingencies [Line Items] |  |
Digital modernization permits issued to Company | 82 |
Digital displays operating | 77 |
Conversion from static to digital | signs |  | 83

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- Definition Conversion From Static To Digital + References No definition available. + Details
Name: | cik0001400891_ConversionFromStaticToDigital
Namespace Prefix: | cik0001400891_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Digital Displays Operating at the Time of the Ruling + References No definition available. + Details
Name: | cik0001400891_DigitalDisplaysOperating
Namespace Prefix: | cik0001400891_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Digital Modernization Permits Issued To Company + References No definition available. + Details
Name: | cik0001400891_DigitalModernizationPermitsIssuedToCompany
Namespace Prefix: | cik0001400891_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- 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. + References No definition available. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration