Other Intangible Assets, net and Goodwill (Tables)

3 Months Ended

Mar. 31, 2021

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of identifiable intangible assets

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

	March 31, 2021						December 31, 2020
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Finite-lived intangible assets
Customer relationships	$	5,600,118	$	(322,719)	$	5,277,399	$	5,598,175	$	(261,350)	$	5,336,825
Databases and content	1,842,783		(494,041)		1,348,742		1,848,041		(464,683)		1,383,358
Computer software	682,948		(238,093)		444,855		658,976		(209,611)		449,365
Trade names	16,779		(5,703)		11,076		18,606		(2,360)		16,246
Backlog	29,202		(7,738)		21,464		29,216		(5,905)		23,311
Finite-lived intangible assets	8,171,830		(1,068,294)		7,103,536		8,153,014		(943,909)		7,209,105
Indefinite-lived intangible assets
Trade names	162,961		—		162,961		161,245		—		161,245
Total intangible assets	$	8,334,791	$	(1,068,294)	$	7,266,497	$	8,314,259	$	(943,909)	$	7,370,350

Schedule of weighted-average amortization period for finite-lived intangible assets

Schedule of estimated amortization for five succeeding years

Schedule of change in the carrying amount of goodwill

The change in the carrying amount of goodwill is shown below:

	Science Segment (As Restated)		Intellectual Property Segment (As Restated)		Consolidated Total (As Restated)
Balance as of December 31, 2019	$	909,937	418,108		$	1,328,045
Acquisition	499,199		4,002,695		4,501,894
Divestiture	—		(9,129)		(9,129)
Impact of foreign currency fluctuations and other	607		221,547		222,154
Balance as of December 31, 2020	$	1,409,743	$	4,633,221	$	6,042,964
Acquisition(1)	—		(8,121)		(8,121)
Impact of foreign currency fluctuations and other	(118)		1,790		1,672
Balance as of March 31, 2021	$	1,409,625	$	4,626,890	$	6,036,515