Goodwill and Other Intangible Assets (Schedule Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Line Items]
Goodwill	$ 76,748	$ 79,305
Goodwill, Subsequent Recognition of Deferred Tax Asset	(2,557)
National Networks [Member]
Goodwill [Line Items]
Goodwill	75,552	78,109
Goodwill, Subsequent Recognition of Deferred Tax Asset	(2,557)
International and Other [Member]
Goodwill [Line Items]
Goodwill	1,196	1,196
Goodwill, Subsequent Recognition of Deferred Tax Asset	$ 0