Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amount of goodwill, by operating segment is as follows:

(In thousands)	National Networks			International and Other			Total
December 31, 2015	$	244,849		$	491,426		$	736,275
Purchase accounting adjustments	—			(6,040		)	(6,040		)
Impairment charges (see Note 3)	—			(27,244		)	(27,244		)
Amortization of "second component" goodwill	(2,546		)	—			(2,546		)
Foreign currency translation	—			(42,737		)	(42,737		)
December 31, 2016	$	242,303		$	415,405		$	657,708
Amortization of "second component" goodwill	(2,544		)	—			(2,544		)
Foreign currency translation	—			39,994			39,994
December 31, 2017	$	239,759		$	455,399		$	695,158

Schedule of Finite-Lived Intangible Assets

The following table summarizes information relating to the Company's identifiable intangible assets:

(In thousands)	December 31, 2017							Estimated Useful Lives
	Gross		Accumulated Amortization			Net
Amortizable intangible assets:
Affiliate and customer relationships	$	527,713	$	(167,911	)	$	359,802	6 to 25 years
Advertiser relationships	46,282		(13,405		)	32,877		11 years
Trade names	53,761		(14,420		)	39,341		20 years
Other amortizable intangible assets	11,401		(6,079		)	5,322		2 to 15 years
Total amortizable intangible assets	639,157		(201,815		)	437,342
Indefinite-lived intangible assets:
Trademarks	19,900		—			19,900
Total intangible assets	$	659,057	$	(201,815	)	$	457,242
(In thousands)	December 31, 2016
	Gross		Accumulated Amortization			Net
Amortizable intangible assets:
Affiliate and customer relationships	$	509,992	$	(133,932	)	$	376,060
Advertiser relationships	46,282		(9,198		)	37,084
Trade names	49,720		(6,307		)	43,413
Other amortizable intangible assets	10,002		(791		)	9,211
Total amortizable intangible assets	615,996		(150,228		)	465,768
Indefinite-lived intangible assets:
Trademarks	20,041		—			20,041
Total intangible assets	$	636,037	$	(150,228	)	$	485,809

Schedule of Indefinite-Lived Intangible Assets

The following table summarizes information relating to the Company's identifiable intangible assets:

(In thousands)	December 31, 2017							Estimated Useful Lives
	Gross		Accumulated Amortization			Net
Amortizable intangible assets:
Affiliate and customer relationships	$	527,713	$	(167,911	)	$	359,802	6 to 25 years
Advertiser relationships	46,282		(13,405		)	32,877		11 years
Trade names	53,761		(14,420		)	39,341		20 years
Other amortizable intangible assets	11,401		(6,079		)	5,322		2 to 15 years
Total amortizable intangible assets	639,157		(201,815		)	437,342
Indefinite-lived intangible assets:
Trademarks	19,900		—			19,900
Total intangible assets	$	659,057	$	(201,815	)	$	457,242
(In thousands)	December 31, 2016
	Gross		Accumulated Amortization			Net
Amortizable intangible assets:
Affiliate and customer relationships	$	509,992	$	(133,932	)	$	376,060
Advertiser relationships	46,282		(9,198		)	37,084
Trade names	49,720		(6,307		)	43,413
Other amortizable intangible assets	10,002		(791		)	9,211
Total amortizable intangible assets	615,996		(150,228		)	465,768
Indefinite-lived intangible assets:
Trademarks	20,041		—			20,041
Total intangible assets	$	636,037	$	(150,228	)	$	485,809

Schedule of Estimated Amortization Expense

Estimated aggregate amortization expense for intangible assets subject to amortization for each of the following five years is:

(In thousands)
Years Ending December 31,
2018	$	37,212
2019	37,197
2020	37,194
2021	36,821
2022	36,816