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Summary Of Significant Accounting Policies (Depreciation Period Of Property Plant And Equipment) (Details)
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12 Months Ended |
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Dec. 31, 2012
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Minimum [Member] | Computer and broadcast equipment and capitalized software
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years |
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Minimum [Member] | Buildings, leasehold improvements and land improvements
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years |
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Minimum [Member] | Furniture and other equipment
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years |
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Maximum [Member] | Computer and broadcast equipment and capitalized software
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 6 years |
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Maximum [Member] | Buildings, leasehold improvements and land improvements
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 40 years |
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Maximum [Member] | Furniture and other equipment
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| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 10 years |
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- Details
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- Definition
Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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