Business Segments (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017		Mar. 31, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Operating Revenues	[1]	$ 439,910		$ 468,472
Operating profit (loss)	[1],[2]	(15,232)		29,992
Depreciation	[3]	13,571		14,442
Amortization		41,659		41,665
Capital expenditures		14,634		17,848
Total Assets	[4]	8,151,981			$ 9,401,051
Assets held for sale	[5]	16,356			17,176
Gracenote Companies | Discontinued Operations, Disposed of by Sale
Segment Reporting Information [Line Items]
Capital expenditures	[7]	1,578	[6]	4,923
Discontinued Operations		0			670,758
Operating Segments | Television and Entertainment
Segment Reporting Information [Line Items]
Operating Revenues	[1]	436,033		455,875
Operating profit (loss)	[1],[2]	20,013		58,605
Depreciation	[3]	10,039		11,017
Amortization	[3]	41,659		41,665
Capital expenditures		10,807		6,833
Total Assets		7,263,209			7,484,591
Corporate and Other
Segment Reporting Information [Line Items]
Operating Revenues	[1]	3,877		12,597
Operating profit (loss)	[1],[2]	(35,245)		(28,613)
Depreciation	[3]	3,532		3,425
Capital expenditures		2,249		$ 6,092
Total Assets		$ 872,416			$ 1,228,526

[1] (1)See Note 2 for the disclosures of operating revenues and operating profit included in discontinued operations for the historical periods.

[2] (2)Operating profit (loss) for each segment excludes income and loss on equity investments, interest and dividend income, interest expense, non-operating items, reorganization costs and income taxes.

[3] (3)Depreciation and amortization from discontinued operations totaled $3 million and $8 million, respectively, for the three months ended March 31, 2016.

[4] (1) The Company’s consolidated total assets as of March 31, 2017 and December 31, 2016 include total assets of variable interest entities (“VIEs”) of $94 million and $97 million, respectively, which can only be used to settle the obligations of the VIEs. The Company’s consolidated total liabilities as of March 31, 2017 and December 31, 2016 include total liabilities of the VIEs of $2 million and $3 million, respectively, for which the creditors of the VIEs have no recourse to the Company (see Note 1).

[5] (4)See Note 3 for information regarding real estate assets held for sale.

[6] (1) Results of operations for the Gracenote Companies are reflected through January 31, 2017, the date of the Gracenote Sale.

[7] (3)Non-cash investing and financing activities of Digital and Data businesses included in the Gracenote Sale were immaterial.