Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

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, 2017	$	239,759		$	455,399		$	695,158
Additions	—			25,278			25,278
Amortization of "second component" goodwill	(656		)	—			(656		)
Foreign currency translation	—			(9,733		)	(9,733		)
June 30, 2018	$	239,103		$	470,944		$	710,047

Schedule of Finite-Lived Intangible Assets

The following tables summarize information relating to the Company's identifiable intangible assets:

(In thousands)	June 30, 2018
	Gross		Accumulated Amortization			Net		Estimated Useful Lives
Amortizable intangible assets:
Affiliate and customer relationships	$	548,389	$	(181,307	)	$	367,082	6 to 25 years
Advertiser relationships	46,282		(15,509		)	30,773		11 years
Trade names	71,493		(15,353		)	56,140		15 to 20 years
Other amortizable intangible assets	11,390		(6,122		)	5,268		2 to 15 years
Total amortizable intangible assets	677,554		(218,291		)	459,263
Indefinite-lived intangible assets:
Trademarks	19,900		—			19,900
Total intangible assets	$	697,454	$	(218,291	)	$	479,163
(In thousands)	December 31, 2017
	Gross		Accumulated Amortization			Net
Amortizable intangible assets:
Affiliate and customer relationships	$	527,713	$	(167,911	)	$	359,802
Advertiser relationships	46,282		(13,405		)	32,877
Trade names	53,761		(14,420		)	39,341
Other amortizable intangible assets	11,401		(6,079		)	5,322
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

Schedule of Indefinite-Lived Intangible Assets

The following tables summarize information relating to the Company's identifiable intangible assets:

(In thousands)	June 30, 2018
	Gross		Accumulated Amortization			Net		Estimated Useful Lives
Amortizable intangible assets:
Affiliate and customer relationships	$	548,389	$	(181,307	)	$	367,082	6 to 25 years
Advertiser relationships	46,282		(15,509		)	30,773		11 years
Trade names	71,493		(15,353		)	56,140		15 to 20 years
Other amortizable intangible assets	11,390		(6,122		)	5,268		2 to 15 years
Total amortizable intangible assets	677,554		(218,291		)	459,263
Indefinite-lived intangible assets:
Trademarks	19,900		—			19,900
Total intangible assets	$	697,454	$	(218,291	)	$	479,163
(In thousands)	December 31, 2017
	Gross		Accumulated Amortization			Net
Amortizable intangible assets:
Affiliate and customer relationships	$	527,713	$	(167,911	)	$	359,802
Advertiser relationships	46,282		(13,405		)	32,877
Trade names	53,761		(14,420		)	39,341
Other amortizable intangible assets	11,401		(6,079		)	5,322
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

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	$	38,555
2019	39,553
2020	39,195
2021	39,193
2022	39,181