XML 39 R52.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Commitments And Contingencies (Narrative) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 signs | Dec. 31, 2011 | Dec. 31, 2010 | May 24, 2012
Maximum aggregate contingency subject to performance requirements of the seller | $ 30,000,000 |  |  |
Rent expense | 1,140,000,000 | 1,160,000,000 | 1,100,000,000 |
Payment of income tax expense due to settlement |  |  |  | $ 10,900,000
Static signs converted to digital | 83 |  |  |

X
- Definition Payment Of Income Tax Expense Due To Amnesty Settlement + References No definition available. + Details
Name: | ccmo_PaymentOfIncomeTaxExpenseDueToAmnestySettlement
Namespace Prefix: | ccmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Static signs converted to digital + References No definition available. + Details
Name: | ccmo_StaticSignsConvertedToDigital
Namespace Prefix: | ccmo_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of potential cash payments that could result from the contingent consideration arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionContingentConsiderationPotentialCashPayment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Rent expense for each period for which an income statement is presented for minimum lease payments, contingent rentals, and sublease rentals. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_OperatingLeasesRentExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration