Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill	$ 3,956,113	$ 3,919,726
Goodwill, Accumulated Amortization	0	0
Customer relationships
Goodwill and Intangible Assets Disclosure [Line Items]
Amortizable intangible assets	913,695	903,652
Amortizable intangible assets, accumulated amortization	(164,234)	(145,398)
Other
Goodwill and Intangible Assets Disclosure [Line Items]
Amortizable intangible assets	269,921	265,148
Amortizable intangible assets, accumulated amortization	(84,658)	(75,264)
Television station FCC licenses
Goodwill and Intangible Assets Disclosure [Line Items]
Indefinite-lived intangibles	1,191,950	1,191,950
Indefinite-lived intangibles (including goodwill), accumulated amortization	0	0
Trade names
Goodwill and Intangible Assets Disclosure [Line Items]
Indefinite-lived intangibles	925,171	925,019
Indefinite-lived intangibles (including goodwill), accumulated amortization	$ 0	$ 0