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Employee Benefit Plans - Schedule of amounts contributed to defined contribution plans in various jurisdictions (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	$ 34,680	$ 34,860
India
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	11,151	10,740
U.S.
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	5,457	6,415
U.K.
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	5,960	6,137
China
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	6,851	6,793
Other regions
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	$ 5,261	$ 4,775

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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- Definition

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+ References

No definition available.

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