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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, 2024	Mar. 31, 2023
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	$ 36,609	$ 34,680
India
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	12,844	11,151
U.S.
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	6,096	5,457
U.K.
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	5,935	5,960
China
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	7,340	6,851
Other Regions
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	$ 4,394	$ 5,261

X

- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480794/715-70-50-1

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480794/715-70-50-1

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