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Other Intangible Assets, net and Goodwill (Tables)
 3 Months Ended
Mar. 31, 2023
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, 2023December 31, 2022
GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
Finite-lived intangible assets:
Customer relationships$7,886.9 $(918.6)$6,968.3 $7,809.0 $(821.5)$6,987.5 
Databases and content2,711.9 (833.3)1,878.6 2,681.0 (780.5)1,900.5 
Computer software793.2 (446.4)346.8 765.1 (422.2)342.9 
Other88.6 (42.3)46.3 88.8 (38.9)49.9 
Finite-lived intangible assets$11,480.6 $(2,240.6)$9,240.0 $11,343.9 $(2,063.1)$9,280.8 
Indefinite-lived intangible assets:
Trade names156.9 — 156.9 156.9 — 156.9 
Total intangible assets$11,637.5 $(2,240.6)$9,396.9 $11,500.8 $(2,063.1)$9,437.7 
Schedule of Change in the Carrying Amount of Goodwill
The change in the carrying amount of goodwill by segment is shown below:
A&G
Segment		IP
Segment		LS&H
Segment		Consolidated Total
Balance as of December 31, 2022$1,109.8 $590.3 $1,176.4 $2,876.5 
Impact of foreign currency fluctuations(0.1)15.1 — 15.0 
Balance as of March 31, 2023$1,109.7 $605.4 $1,176.4 $2,891.5