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Goodwill and Other Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule Of Goodwill |
| September 30, 2013 |  | December 31, 2012
Reporting Unit and Segment |  |  |
AMC | $ | 34,251 |  |  | $ | 34,251 |
WE tv | 5,214 |  |  | 5,214 |
IFC | 13,582 |  |  | 13,582 |
Sundance Channel | 23,144 |  |  | 25,062 |
Total National Networks | 76,191 |  |  | 78,109 |
AMC Networks Broadcasting & Technology | 1,196 |  |  | 1,196 |
Total International and Other | 1,196 |  |  | 1,196 |
| $ | 77,387 |  |  | $ | 79,305 |
Summary Of Intangible Assets |
| September 30, 2013
| Gross |  | Accumulated Amortization |  | Net
Amortizable intangible assets: |  |  |  |  |
Affiliate relationships | $ | 243,600 |  |  | $ | (51,535 | ) |  | $ | 192,065 |
Other amortizable intangible assets | 644 |  |  | (607 | ) |  | 37 |
Total amortizable intangible assets | 244,244 |  |  | (52,142 | ) |  | 192,102 |
Indefinite-lived intangible assets: |  |  |  |  |
Trademarks | 19,900 |  |  | — |  |  | 19,900 |
Total intangible assets | $ | 264,144 |  |  | $ | (52,142 | ) |  | $ | 212,002 |
| December 31, 2012
| Gross |  | Accumulated Amortization |  | Net
Amortizable intangible assets: |  |  |  |  |
Affiliation agreements and affiliate relationships | $ | 840,757 |  |  | $ | (623,621 | ) |  | $ | 217,136 |
Advertiser relationships | 74,248 |  |  | (70,226 | ) |  | 4,022 |
Other amortizable intangible assets | 644 |  |  | (519 | ) |  | 125 |
Total amortizable intangible assets | 915,649 |  |  | (694,366 | ) |  | 221,283 |
Indefinite-lived intangible assets: |  |  |  |  |
Trademarks | 19,900 |  |  | — |  |  | 19,900 |
Total intangible assets | $ | 935,549 |  |  | $ | (694,366 | ) |  | $ | 241,183 |
Schedule Of Estimated Amortization Expense |
Years Ending December 31, |
2013 | $ | 31,631 |
2014 | 9,759 |
2015 | 9,746 |
2016 | 9,746 |
2017 | 9,746 |

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- Definition Tabular disclosure of amortizable intangibles assets and indefinite-lived intangible assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 + Details
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