Other Intangible Assets, net and Goodwill (Tables)

9 Months Ended

Sep. 30, 2021

Sep. 30, 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:

	September 30, 2021						December 31, 2020
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Finite-lived intangible assets
Customer relationships	$	5,501,710	$	(443,814)	$	5,057,896	$	5,598,175	$	(261,350)	$	5,336,825
Databases and content	1,853,364		(555,447)		1,297,917		1,848,041		(464,683)		1,383,358
Computer software	714,904		(298,333)		416,571		658,976		(209,611)		449,365
Trade names	14,742		(5,190)		9,552		18,606		(2,360)		16,246
Backlog	29,100		(9,894)		19,206		29,216		(5,905)		23,311
Finite-lived intangible assets	8,113,820		(1,312,678)		6,801,142		8,153,014		(943,909)		7,209,105
Indefinite-lived intangible assets
Trade names	162,939		—		162,939		161,245		—		161,245
Total intangible assets	$	8,276,759	$	(1,312,678)	$	6,964,081	$	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		Intellectual Property Segment		Consolidated Total
Balance as of December 31, 2019	$	909,937	$	418,108	$	1,328,045
Acquisition	497,263		4,202,875		4,700,138
Divestiture	—		(9,129)		(9,129)
Impact of foreign currency fluctuations and other	607		232,975		233,582
Balance as of December 31, 2020	$	1,407,807	$	4,844,829	$	6,252,636
Acquisition(1)	11,297		20,629		31,926
Impact of foreign currency fluctuations and other	(702)		(85,159)		(85,861)
Balance as of September 30, 2021	$	1,418,402	$	4,780,299	$	6,198,701