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Prepaid expenses and other current assets - Schedule of prepaid expenses and other current assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Prepaid Expense and Other Assets, Current [Abstract]
Advance income and non-income taxes	$ 28,075	$ 73,008
Contract asset (Note 25)	8,506	9,035
Prepaid expenses	38,528	32,375
Derivative instruments	19,194	21,545
Employee advances	2,797	2,636
Deposits	5,839	8,774
Advances to suppliers	804	2,716
Others	30,698	37,319
Prepaid expenses and other current assets, net	$ 134,441	$ 187,408

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