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Intangible assets

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

Intangible assets

Intangible assets, net consisted of the following:

			Three Months Ended			Year Ended
			March 31, 2023			December 31, 2022
Cost			(in thousands)
Customer relationships			$	4,077,267		$	4,076,435
Order backlog			537,247			536,934
Trade names & brands			204,640			204,621
Patient database			170,298			170,238
Technology assets			121,141			120,984
Total cost			5,110,593			5,109,212
Accumulated amortization			(946,183)			(830,553)
Net book value			$	4,164,410		$	4,278,659

The identifiable intangible assets are amortized over their estimated useful lives.

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- References

No definition available.

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- Definition

The entire disclosure for all or part of the information related to intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-URI https://asc.fasb.org/subtopic&trid=2144471

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