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Goodwill and Intangible Assets - Changes in goodwill by reporting unit (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Opening balance	$ 1,683,782	$ 1,684,196
Effect of exchange rate fluctuations	(4,062)	(414)
Closing balance	1,679,720	1,683,782
Financial Services
Goodwill [Roll Forward]
Opening balance	408,674	408,736
Effect of exchange rate fluctuations	(1,133)	(62)
Closing balance	407,541	408,674
Consumer and Healthcare
Goodwill [Roll Forward]
Opening balance	592,780	592,907
Effect of exchange rate fluctuations	(1,473)	(127)
Closing balance	591,307	592,780
High Tech and Manufacturing
Goodwill [Roll Forward]
Opening balance	682,328	682,553
Effect of exchange rate fluctuations	(1,456)	(225)
Closing balance	$ 680,872	$ 682,328

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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X

- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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