Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 62,773	$ 72,234	$ 122,378	$ 130,373
Other comprehensive gain (loss), net of tax:
Foreign currency translation adjustments (Note 7)	44,143	(8,822)	66,680	(19,495)
Pension and post-retirement plan adjustments, net of tax (Note 7)	242	2,022	443	2,396
Reclassification of currency translation from accumulated other comprehensive loss into net income (Note 7)	0	(1,200)	0	(1,200)
Total other comprehensive gain (loss), net of tax	44,385	(8,000)	67,123	(18,299)
Comprehensive income	$ 107,158	$ 64,234	$ 189,501	$ 112,074