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Employee benefit plans (Tables)

9 Months Ended

Sep. 30, 2021

Retirement Benefits [Abstract]

Schedule of net defined benefit plan costs

Net defined benefit plan costs for the three and nine months ended September 30, 2020 and 2021 include the following components: 

			Three months ended September 30,												Nine months ended September 30,
			2020						2021						2020						2021
Service costs			$	2,733					$	3,454					$	8,402					$	10,528
Interest costs			1,267						1,363						3,898						4,135
Amortization of actuarial loss			615						558						1,883						1,704
Expected return on plan assets			(1,108)						(1,534)						(3,406)						(4,605)
Net defined benefit plan costs			$	3,507					$	3,841					$	10,777					$	11,762

Schedule of amounts contributed to defined contribution plans in various jurisdictions

During the three and nine months ended September 30, 2020 and 2021, the Company contributed the following amounts to defined contribution plans in various jurisdictions: 

			Three months ended September 30,												Nine months ended September 30,
			2020						2021						2020						2021
India			$	7,289					$	9,637					$	22,362					$	27,445
U.S.			4,654						5,020						13,935						15,508
U.K.			4,547						5,034						13,977						14,352
China			4,503						6,362						11,243						18,433
Other regions			3,189						3,913						8,806						11,155
Total			$	24,182					$	29,966					$	70,323					$	86,893

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- References

No definition available.

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- Definition

Tabular disclosure of defined contribution pension plans or defined contribution other postretirement plans, separately for pension plans and other postretirement benefit plans.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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