Goodwill and Other Intangible Assets (Summary Of Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 648,831	$ 654,283
Finite-Lived Intangible Assets, Accumulated Amortization	(119,551)	(83,359)
Finite-Lived Intangible Assets, Net	529,280	570,924
Indefinite-Lived Trademarks	19,900	19,900
Intangible Assets, Gross (Excluding Goodwill)	668,731	674,183
Total intangible assets	549,180	590,824
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	554,012	555,742
Finite-Lived Intangible Assets, Accumulated Amortization	(110,203)	(80,351)
Finite-Lived Intangible Assets, Net	$ 443,809	475,391
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	17 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	25 years
Advertiser Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 46,282	45,827
Finite-Lived Intangible Assets, Accumulated Amortization	(4,990)	(655)
Finite-Lived Intangible Assets, Net	$ 41,292	45,172
Finite-Lived Intangible Asset, Useful Life	11 years
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 48,522	52,698
Finite-Lived Intangible Assets, Accumulated Amortization	(4,353)	(2,351)
Finite-Lived Intangible Assets, Net	$ 44,169	50,347
Finite-Lived Intangible Asset, Useful Life	20 years
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 15	16
Finite-Lived Intangible Assets, Accumulated Amortization	(5)	(2)
Finite-Lived Intangible Assets, Net	$ 10	$ 14
Finite-Lived Intangible Asset, Useful Life	5 years