Pension Plans and Other Postretirement Benefits - Domestic and Foreign Pension and Postretirement Defined Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Total net pension and postretirement benefits cost	$ 1,857	$ 1,277	$ 5,361	$ 3,806
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,466	1,576	4,310	4,705
Interest cost	8,505	8,163	25,298	24,448
Expected return on assets	(8,609)	(8,854)	(25,732)	(26,522)
Amortization of prior service benefit	20	20	59	59
Total net pension and postretirement benefits cost	1,382	905	3,935	2,690
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	4	12	14	35
Interest cost	471	360	1,412	1,081
Total net pension and postretirement benefits cost	$ 475	$ 372	$ 1,426	$ 1,116