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Derivative financial instruments - Schedule of Gains or Losses Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion)	$ (61,945)	$ (24,537)	$ (47,888)	$ (7,146)
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion)	(4,202)	2,696	(10,123)	9,241
Amount of Gain (Loss) recognized in Statement of Income on Derivatives	(21,770)	(3,473)	(13,294)	(3,908)
Revenue
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion)	(613)	414	231	1,326
Cost of revenue
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion)	(3,052)	1,569	(8,771)	5,617
Selling, general and administrative expenses
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion)	(430)	214	(1,252)	1,054
Interest expense
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion)	(107)	499	(331)	1,244
Forward foreign exchange contracts
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion)	(62,013)	(22,556)	(45,461)	(7,666)
Forward foreign exchange contracts | Foreign exchange gains (losses), net | Non-designated
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) recognized in Statement of Income on Derivatives	(21,770)	(3,473)	(13,294)	(3,908)
Interest rate swaps
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion)	68	(1,981)	(2,427)	917
Treasury rate lock
Other Comprehensive Income (Loss) [Line Items]
Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion)	$ 0	$ 0	$ 0	$ (397)

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

+ References

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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