Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Goodwill, Subsequent Recognition of Deferred Tax Asset	$ 1,909
Finite-Lived Intangible Assets, Amortization Expense	29,199	$ 32,482
National Networks [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Subsequent Recognition of Deferred Tax Asset	$ 1,909