v2.4.0.6

LONG-TERM DEBT LIABILITIES - Senior Debt (Details) (USD $)	6 Months Ended
	Jun. 30, 2012 number	Jun. 30, 2011
Debt Instrument [Line Items]
Credit Facility	$ 425,000,000
Consolidated Leverage Ratio	5.7
Consolidated Interest Coverage Ratio	2.9
Amortization of deferred financing costs (including original issue discount)	2,292,000	1,884,000
Deferred Finance Costs, Current, Net	6,100,000
Minimum [Member]
Debt Instrument [Line Items]
Consolidated Interest Coverage Ratio	1.5
Mandatory Prepayment Percentage	0.00%
Minimum [Member] | Libor Rate Floor
Debt Instrument [Line Items]
Variable rate plus fees	1.25%
Maximum [Member]
Debt Instrument [Line Items]
Consolidated Leverage Ratio	7.25
Mandatory Prepayment Percentage	50.00%
Revolving Credit Facility
Debt Instrument [Line Items]
Credit Facility	50,000,000
Undrawn amount of the Revolver	13,400,000
Line of Credit Facility, Amount Outstanding	36,000,000
Revolving Credit Facility | Minimum [Member] | Libor Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	4.50%
Revolving Credit Facility | Maximum [Member] | Libor Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	5.00%
Term Loan B
Debt Instrument [Line Items]
Credit Facility	375,000,000
Mandatory prepayments amount	14,000,000
Line of Credit Facility, Amount Outstanding	$ 357,500,000
Term Loan B | Minimum [Member] | Libor Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	4.75%
Term Loan B | Maximum [Member] | Libor Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	5.00%
Former Facility | Minimum [Member] | Libor Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	0.50%
Former Facility | Maximum [Member] | Libor Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	2.50%

X

- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument plus fees.

+ References

No definition available.

+ Details

Name:	etm_DebtInstrumentBasisSpreadOnVariableRatePlusFees
Namespace Prefix:	etm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- 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

X

- Definition

The range of excess cash flow percentage that is required to be applied to Term B prepayments.

+ References

No definition available.

+ Details

Name:	etm_MandatoryPrepaymentPercentage
Namespace Prefix:	etm_
Data Type:	num:percentItemType
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

Name:	etm_RatioOfInterestCoverage
Namespace Prefix:	etm_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The component of interest expense comprised of the periodic charge against earnings over the life of the financing arrangement to which such costs relate. Alternate captions include Noncash Interest Expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 8



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 8

-Article 9



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

+ Details

Name:	us-gaap_AmortizationOfFinancingCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Net amount of current deferred finance costs capitalized at the end of the reporting period.

+ 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 210.5-02.8)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16

-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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 8

-Article 5



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399

+ Details

Name:	us-gaap_DeferredFinanceCostsCurrentNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

Name:	us-gaap_LineOfCreditFacilityAmountOutstanding
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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5



Reference 3: 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

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5



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

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Total Aggregate Indebtedness divided by Net Capital.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Rule 15c3

-Number 240

-Article 15c3

-Section 1

-Subsection a

-Paragraph 1

-Subparagraph i

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant