Other Intangible Assets, net and Goodwill

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangible Assets, net and Goodwill

Other Intangible Assets, net and Goodwill

Other Intangible Assets, net

The following tables summarize the gross carrying amounts and accumulated amortization of the Company’s identifiable intangible assets by major class:

	March 31, 2020							December 31, 2019
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Finite-lived intangible assets
Customer relationships	$	656,500	$	(182,765	)	$	473,735	$	280,493	$	(180,571	)	$	99,922
Databases and content	1,802,169		(370,220		)	1,431,949		1,755,323		(342,385		)	1,412,938
Computer software	330,318		(152,114		)	178,204		285,701		(135,919		)	149,782
Trade names	6,770		—			6,770		1,570		—			1,570
Backlog	27,999		(584		)	27,415		—		—			—
Finite-lived intangible assets	2,823,756		(705,683		)	2,118,073		2,323,087		(658,875		)	1,664,212
Indefinite-lived intangible assets
Trade names	164,275		—			164,275		164,428		—			164,428
Total intangible assets	$	2,988,031	$	(705,683	)	$	2,282,348	$	2,487,515	$	(658,875	)	$	1,828,640

Amortization expense amounted to $49,112 and $56,106 for the three months ended March 31, 2020, and 2019, respectively.

Goodwill

The following table summarizes changes in the carrying amount of goodwill for the three months ended March 31, 2020:    

	Total
Balance as of December 31, 2019	$	1,328,045
Acquisitions	499,067
Changes due to foreign currency fluctuations	(4,028		)
Balance as of March 31, 2020	$	1,823,084