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Intangible assets

6 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

Intangible assets

Intangible assets, net consisted of the following:

			Six Months Ended			Year Ended
			June 30, 2022			December 31, 2021
Cost			(in thousands)
Customer relationships			$	4,076,062		$	4,056,642
Order backlog			536,685			528,022
Trade names & brands			204,604			204,685
Patient database			170,274			170,525
Technology assets			120,840			121,507
Total cost			5,108,465			5,081,381
Accumulated amortization			(600,012)			(370,538)
Net book value			$	4,508,453		$	4,710,843

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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