Investments - Additional Information (Details) - USD ($) $ in Thousands				3 Months Ended		6 Months Ended
		Jun. 12, 2016	Feb. 25, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Feb. 24, 2016	Dec. 31, 2015
Schedule Of Investments [Line Items]
Other non-current assets				$ 151,962		$ 151,962			$ 161,308
Equity method investments				691,319		691,319			741,823
Equity in earnings of affiliates				21,712	$ 27,290	47,390	$ 46,235
Tax expense on sale of equity investments				98,303	120,326	257,350	191,575
UKTV [Member]
Schedule Of Investments [Line Items]
Other non-current assets				101,500		101,500			112,100
Equity method investments				$ 319,100		$ 319,100			$ 353,400
Ownership interest (in hundredths)				50.00%		50.00%			50.00%
Equity in earnings of affiliates				$ 13,100	12,900	$ 24,000	24,000
Amortization				$ 3,400	$ 4,200	$ 6,800	$ 8,400
nC+ [Member]
Schedule Of Investments [Line Items]
Ownership interest (in hundredths)	[1]			32.00%		32.00%			32.00%
Fox-BRV Southern Sports Holdings [Member]
Schedule Of Investments [Line Items]
Ownership interest (in hundredths)									7.30%
Equity method investment ownership percentage sold								7.30%
Divestiture, cash purchase price			$ 225,000
(Loss) gain on sale of investments						$ 208,200
Tax expense on sale of equity investments				$ 73,600		73,600
Proceeds from the sale of equity investment value accounted for using cost method		$ 1,500
Loss on sale of equity investment accounted using cost method				$ 16,400		$ 16,400

[1] Acquired as a part of the Acquisition