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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2012
Accounting Policies [Abstract] |
Barter and Trade Revenues and Expenses [Table Text Block] |
(In millions) |  | Years Ended December 31,
|  | 2012 |  |  | 2011 |  |  | 2010
Barter and trade revenues | $ | 56.5 |  | $ | 61.2 |  | $ | 67.0
Barter and trade expenses |  | 58.8 |  |  | 63.4 |  |  | 66.4

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- Definition Revenues and expenses received from Bater and Trande + References No definition available. + Details
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- Details
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