CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income		$ 198,297	$ 184,558	$ 142,968
Other comprehensive income/(loss):
Unrealized gain/(loss) on cash flow hedges		(14,513)	14,403	(27,333)
Currency translation adjustments		(17,484)	652	(47,734)
Retirement benefits		(1,414)	1,337	2,574
Reclassification adjustments:
(Gain)/loss on cash flow hedges	[1]	(131)	5,208	1,295
Retirement benefits	[2]	(602)	(94)	592
Income tax effects relating to above	[3]	6,462	(4,403)	15,937
Total other comprehensive income/(loss)		(27,682)	17,103	(54,669)
Total comprehensive income		$ 170,615	$ 201,661	$ 88,299

[1] These are reclassified to net income and are included in cost of revenues, operating expenses and interest expense, as applicable in the consolidated statements of income.

[2] These are reclassified to net income and are included in other income/(expense), net in the consolidated statements of income.

[3] These are income tax effects recognized on cash flow hedges, retirement benefits and currency translation adjustments.