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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
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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

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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 + Details
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