Goodwill And Indefinite-Lived Intangible Assets Impairment Test Intangible Table (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 224,775	$ 238,865
Finite-Lived Intangible Assets, Accumulated Amortization	(73,147)	(47,236)
Other intangible assets, net	509,971	549,972
Finite-Lived Intangible Assets, Net	151,628	191,629
Indefinite-Lived Intangible Assets (Excluding Goodwill)	358,343	358,343
Intangible Assets Excluding Goodwill, Gross	583,118	$ 597,208
Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,300
Finite-Lived Intangible Assets, Accumulated Amortization	(2,300)
Customer Relationships [Member] | TwinSpires [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	14,000
Bluff Media Acquisition [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 100