Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 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, 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
Additions	—			123,865			123,865
Amortization of "second component" goodwill	(1,328		)	—			(1,328		)
Foreign currency translation	—			(19,658		)	(19,658		)
December 31, 2018	$	238,431		$	559,606		$	798,037

Schedule of Finite-Lived Intangible Assets

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

(In thousands)	December 31, 2018							Estimated Useful Lives
	Gross		Accumulated Amortization			Net
Amortizable intangible assets:
Affiliate and customer relationships	$	620,771	$	(198,500	)	$	422,271	6 to 25 years
Advertiser relationships	46,282		(17,613		)	28,669		11 years
Trade names	118,772		(17,971		)	100,801		3 to 20 years
Other amortizable intangible assets	13,643		(6,377		)	7,266		5 to 15 years
Total amortizable intangible assets	799,468		(240,461		)	559,007
Indefinite-lived intangible assets:
Trademarks	19,900		—			19,900
Total intangible assets	$	819,368	$	(240,461	)	$	578,907
(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 table summarizes information relating to the Company's identifiable intangible assets:

(In thousands)	December 31, 2018							Estimated Useful Lives
	Gross		Accumulated Amortization			Net
Amortizable intangible assets:
Affiliate and customer relationships	$	620,771	$	(198,500	)	$	422,271	6 to 25 years
Advertiser relationships	46,282		(17,613		)	28,669		11 years
Trade names	118,772		(17,971		)	100,801		3 to 20 years
Other amortizable intangible assets	13,643		(6,377		)	7,266		5 to 15 years
Total amortizable intangible assets	799,468		(240,461		)	559,007
Indefinite-lived intangible assets:
Trademarks	19,900		—			19,900
Total intangible assets	$	819,368	$	(240,461	)	$	578,907
(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,
2019	$	48,341
2020	48,184
2021	48,181
2022	47,558
2023	47,110