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Goodwill and Other Intangible Assets (Schedule Of Goodwill) (Details) $ in Thousands | 6 Months Ended
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Jun. 30, 2015 USD ($)
Goodwill [Line Items] |
Goodwill | $ 734,356
Goodwill, Period Increase (Decrease) | 802
Goodwill, Subsequent Recognition of Deferred Tax Asset | (1,262)
Goodwill, Translation Adjustments | (6,690)
Goodwill | 727,206
National Networks [Member] |
Goodwill [Line Items] |
Goodwill | 250,595
Goodwill, Period Increase (Decrease) | (2,994)
Goodwill, Subsequent Recognition of Deferred Tax Asset | (1,262)
Goodwill, Translation Adjustments | 0
Goodwill | 246,339
International And Other [Member] |
Goodwill [Line Items] |
Goodwill | 483,761
Goodwill, Period Increase (Decrease) | 3,796
Goodwill, Subsequent Recognition of Deferred Tax Asset | 0
Goodwill, Translation Adjustments | (6,690)
Goodwill | $ 480,867

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + 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=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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