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GOODWILL AND RADIO BROADCASTING LICENSES: (Tables) | 3 Months Ended
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Mar. 31, 2014
Goodwill and Radio Broadcasting Licenses [Abstract] |
Schedule Of Radio Broadcasting Licenses Impairment [Table Text Block] | Below are some of the key assumptions used in the income approach model for estimating broadcasting licenses fair values for the annual impairment assessment as of October 1, 2013, and interim impairment assessments for the quarters ended March 31, 2014 and 2013.
Radio Broadcasting |  | March 31, |  |  | October 1, |  |  | March 31, |
Licenses |  | 2014 (a) |  |  | 2013 |  |  | 2013 (a) |
Pre-tax impairment charge (in millions) |  | $ | — |  |  | $ | — |  |  | $ | 1.4 |
Discount Rate |  |  | 10.0 | % |  |  | 10.0 | % |  |  | 10.0 | %
Year 1 Market Revenue Growth Rate Range |  |  | 1.0 | % |  |  | 0.0% – 2.0 | % |  |  | 1.0 | %
Long-term Market Revenue Growth Rate Range (Years 6 – 10) |  |  | 1.5 | % |  |  | 1.0% – 2.0 | % |  |  | 1.5 | %
Mature Market Share Range |  |  | 8.6 | % |  |  | 6.4% – 26.9 | % |  |  | 8.6 | %
Operating Profit Margin Range |  |  | 33.6 | % |  |  | 30.8% – 47.8 | % |  |  | 31.4 | %
(a) | Reflects changes only to the key assumptions used in the interim testing for certain units of accounting.
Schedule Of Good Will Impairment Test Radio Marketing Unit [Table Text Block] | Below are some of the key assumptions used in the income approach model for estimating reporting unit fair values for the annual impairment assessment as of October 1, 2013, and interim impairment assessment for the quarter ended March 31, 2014.
Goodwill (Radio Market |  | March 31, |  |  | October 1, |
Reporting Units) |  | 2014 (a) |  |  | 2013 (b) |
Pre-tax impairment charge (in millions) |  | $ | – |  |  | $ | – |
Discount Rate |  |  | 10.0 | % |  |  | 10.0 | %
Year 1 Market Revenue Growth Rate Range |  |  | 2.0 | % |  |  | 0.0% -2.0 | %
Long-term Market Revenue Growth Rate Range (Years 6 – 10) |  |  | 1.5 | % |  |  | 1.0% - 2.0 | %
Mature Market Share Range |  |  | 7.9 | % |  |  | 7.1% - 19.8 | %
Operating Profit Margin Range |  |  | 28.4 | % |  |  | 28.4% - 56.4 | %
(a) | Reflects changes only to the key assumptions used in the interim testing for certain units of accounting.
(b) | Reflects the key assumptions for testing only those radio markets with remaining goodwill.

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- Definition Tabular disclosure of radio broadcasting licensing impairment test during the period. + References No definition available. + Details
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