Goodwill, Other Intangible Assets and Intangible Liabilities - Intangible Assets (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Net		$ 1,025,134	$ 1,192,602
Amortization of Intangible Assets	[1],[2]	(167,560)	(167,717)
Finite-Lived Intangible Assets, Balance Sheet Reclassifications	[3]	86	9
Finite-Lived Intangible Assets, Translation Adjustments		905	240
Finite-Lived Intangible Assets, Net		858,565	1,025,134	$ 1,192,602
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite-Lived Intangible Assets (Excluding Goodwill)		794,000	797,400
Indefinite-Lived Intangible Assets (Excluding Goodwill)		755,100	794,000	797,400
Goodwill [Roll Forward]
Goodwill, Gross				3,609,224
Goodwill, Impairment Loss				(381,000)
Goodwill		3,227,930	3,228,224
Goodwill, Translation Adjustments		1,058	(294)
Goodwill		3,228,988	3,227,930	3,228,224
Total goodwill and other intangible assets		4,842,653	5,047,064
Lease Contract Intangible Assets
Finite-lived Intangible Assets [Roll Forward]
Amortization of Intangible Assets		(1,000)	(1,000)
Licensing Agreements
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite-Lived Intangible Assets (Excluding Goodwill)		779,200
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		0	(3,400)	$ (4,000)
Other intangible assets not subject to amortization, Balance Sheet Reclassifications		(38,900)
Indefinite-Lived Intangible Assets (Excluding Goodwill)		$ 740,300	$ 779,200

[1] Amortization of intangible assets includes $1 million related to lease contract intangible assets and is recorded in cost of sales or SG&A expense, if applicable, in the Consolidated Statements of Operations.

[2] Beginning in the fourth quarter of 2016, the Television and Entertainment reportable segment includes the operations of Covers, including the goodwill and other intangible assets subject to amortization allocated in accordance with ASC Topic 350 guidance, which was previously included in the Digital and Data reportable segment.

[3] Represents net reclassifications which are reflected as a decrease to broadcast rights assets in the Consolidated Balance Sheets at December 31, 2017 and December 31, 2016.