Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

The changes in the carrying amount of goodwill, by segment, were as follows:



(in thousands)	Education			Television Broadcasting		Other Businesses			Total
As of December 31, 2015
Goodwill	$	1,006,096		$	168,345	$	202,814		$	1,377,255
Accumulated impairment losses	(350,850		)	—		(8,892		)	(359,742		)
	655,246			168,345		193,922			1,017,513
Measurement period adjustment	(2,781		)	—		(17,243		)	(20,024		)
Acquisitions	161,938			—		22,180			184,118
Impairment	—			—		(1,603		)	(1,603		)
Dispositions	—			—		(2,800		)	(2,800		)
Foreign currency exchange rate changes	(54,250		)	—		—			(54,250		)
As of December 31, 2016
Goodwill	1,111,003			168,345		202,141			1,481,489
Accumulated impairment losses	(350,850		)	—		(7,685		)	(358,535		)
	760,153			168,345		194,456			1,122,954
Acquisitions	19,174			22,470		101,505			143,149
Impairment	—			—		(7,616		)	(7,616		)
Dispositions	—			—		(412		)	(412		)
Foreign currency exchange rate changes	41,635			—		—			41,635
As of December 31, 2017
Goodwill	1,171,812			190,815		303,234			1,665,861
Accumulated impairment losses	(350,850		)	—		(15,301		)	(366,151		)
	$	820,962		$	190,815	$	287,933		$	1,299,710

Other intangible assets consist of the following:



		As of December 31, 2017						As of December 31, 2016
(in thousands)	Useful Life Range	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortized Intangible Assets
Student and customer relationships	1–10 years (1)	$	260,464	$	83,690	$	176,774	$	129,616	$	55,863	$	73,753
Trade names and trademarks	2–10 years	50,286		25,596		24,690		55,240		29,670		25,570
Network affiliation agreements	10 years	17,400		1,668		15,732		—		—		—
Databases and technology	3–6 years (1)	19,563		5,008		14,555		5,601		4,368		1,233
Noncompete agreements	2–5 years	930		467		463		1,730		1,404		326
Other	1–8 years	13,430		7,668		5,762		12,030		4,973		7,057
		$	362,073	$	124,097	$	237,976	$	204,217	$	96,278	$	107,939
Indefinite-Lived Intangible Assets
Trade names and trademarks		$	82,745					$	65,192
FCC licenses		18,800						—
Licensure and accreditation		650						834
		$	102,195					$	66,026

____________


(1)	As of December 31, 2016, the student and customer relationships’ minimum useful life was 2 years, and the databases and technology’s maximum useful life was 5 years.

The changes in carrying amount of goodwill at the Company’s education division were as follows:



(in thousands)	Higher Education			Test Preparation			Kaplan International			Total
As of December 31, 2015
Goodwill	$	392,457		$	166,098		$	447,541		$	1,006,096
Accumulated impairment losses	(248,591		)	(102,259		)	—			(350,850		)
	143,866			63,839			447,541			655,246
Measurement period adjustment	(2,781		)	—			—			(2,781		)
Acquisitions	—			—			161,938			161,938
Foreign currency exchange rate changes	44			—			(54,294		)	(54,250		)
As of December 31, 2016
Goodwill	389,720			166,098			555,185			1,111,003
Accumulated impairment losses	(248,591		)	(102,259		)	—			(350,850		)
	141,129			63,839			555,185			760,153
Acquisitions	—			—			19,174			19,174
Foreign currency exchange rate changes	133			—			41,502			41,635
As of December 31, 2017
Goodwill	389,853			166,098			615,861			1,171,812
Accumulated impairment losses	(248,591		)	(102,259		)	—			(350,850		)
	$	141,262		$	63,839		$	615,861		$	820,962