Pension, Postretirement, and Other Benefit Plans (Schedule of Net Periodic Benefit Plan Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pension plans
Components of net periodic benefit cost:
Service cost	$ 1,156	$ 1,812	$ 1,478
Interest cost	6,013	6,114	5,151
Expected return on assets	(4,538)	(5,430)	(4,347)
Amortization of prior service cost/(credit)	(28)	(26)	(32)
Amortization of net actuarial loss	1,185	647	555
Settlement	2,355	(33)	0
Curtailment (gain)/loss	(4,356)	(37)	0
Net periodic benefit cost	$ 1,787	$ 3,047	$ 2,805
Pension plans | United States
Weighted average assumptions used to determine net cost:
Discount rate	5.44%	5.15%	5.49%
Pension plans | Foreign Plan
Weighted average assumptions used to determine net cost:
Discount rate	4.32%	4.05%	5.15%
Expected return on plan assets	4.82%	4.98%	5.21%
Rate of compensation increase	2.68%	2.89%	3.08%
Pension plans | Switzerland
Weighted average assumptions used to determine net cost:
Cash balance interest crediting rate	1.15%	1.30%	2.15%
Other postretirement benefits
Components of net periodic benefit cost:
Service cost	$ 40	$ 46	$ 60
Interest cost	1,414	1,416	1,874
Expected return on assets	0	0	0
Amortization of prior service cost/(credit)	(122)	(124)	(4,090)
Amortization of net actuarial loss	(34)	(34)	828
Settlement	0	0	0
Curtailment (gain)/loss	0	0	0
Net periodic benefit cost	$ 1,298	$ 1,304	$ (1,328)
Other postretirement benefits | United States
Weighted average assumptions used to determine net cost:
Discount rate	5.61%	5.21%	5.55%
Other postretirement benefits | Foreign Plan
Weighted average assumptions used to determine net cost:
Discount rate	4.70%	4.70%	5.20%
Rate of compensation increase	2.75%	2.75%	2.75%
Other postretirement benefits | Switzerland
Weighted average assumptions used to determine net cost:
Cash balance interest crediting rate	0.00%	0.00%	0.00%