v2.4.0.8

LONG-TERM DEBT LIABILITIES - Senior Debt (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended
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Jun. 30, 2013
Debt Instrument [Line Items] |
Credit Facility | $ 425
Consolidated Leverage Ratio | 4.7
Consolidated Interest Coverage Ratio | 2.7
Minimum [Member] |
Debt Instrument [Line Items] |
Consolidated Interest Coverage Ratio | 1.6
Mandatory Prepayment Percentage | 0.00%
Maximum [Member] |
Debt Instrument [Line Items] |
Consolidated Leverage Ratio | 6.75
Mandatory Prepayment Percentage | 50.00%
Revolving Credit Facility [Member] |
Debt Instrument [Line Items] |
Credit Facility | 50
Undrawn amount of the Revolver | 44.6
Line of Credit Facility, Amount Outstanding | 5.0
Term Loan B [Member] |
Debt Instrument [Line Items] |
Credit Facility | 375
Mandatory prepayments amount | 18
Line of Credit Facility, Amount Outstanding | $ 323.0

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- Definition Mandatory debt prepayment amount. + References No definition available. + Details
Name: | etm_MandatoryPrepaymentAmount
Namespace Prefix: | etm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The range of excess cash flow percentage that is required to be applied to Term B prepayments. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

X
- Definition The interest coverage ratio is calculated by dividing a company's earnings before interest and taxes (EBIT) of one period by the company's interest expenses of the same period. + References No definition available. + Details
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Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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- Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -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 Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Indebtedness divided by net capital. + References No definition available. + Details
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