Pension, Postretirement, and Other Benefit Plans (Schedule of Plan Benefit Obligations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, beginning of year	$ 83,730	$ 230,790
Service cost	1,478	1,371	$ 2,192
Interest cost	5,151	4,917
Plan participants' contributions	281	132
Actuarial (gain)/loss	6,317	(46,995)
Benefits paid	(6,388)	(7,946)
Acquisitions	64,947	0
Settlements and curtailments	0	(90,568)
Plan amendments and other	(1,985)	(25)
Foreign currency changes	4,792	(7,946)
Benefit obligation, end of year	158,323	83,730	230,790
Accumulated benefit obligation	$ 151,001	$ 78,153
Pension plans | United States
Weighted average assumptions used to determine benefit obligations, end of year:
Discount rate	5.15%	5.49%
Pension plans | Foreign Plan
Weighted average assumptions used to determine benefit obligations, end of year:
Discount rate	4.05%	5.15%
Compensation increase	2.89%	3.08%
Pension plans | Switzerland
Weighted average assumptions used to determine benefit obligations, end of year:
Cash balance interest crediting rate	1.30%	2.15%
Other postretirement benefits
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, beginning of year	$ 35,658	$ 44,884
Service cost	60	114	132
Interest cost	1,874	1,221
Plan participants' contributions	0	0
Actuarial (gain)/loss	(6,131)	(6,658)
Benefits paid	(2,795)	(3,234)
Acquisitions	0	0
Settlements and curtailments	0	0
Plan amendments and other		(605)
Foreign currency changes	18	(64)
Benefit obligation, end of year	28,684	35,658	$ 44,884
Accumulated benefit obligation	$ 0	$ 0
Other postretirement benefits | United States
Weighted average assumptions used to determine benefit obligations, end of year:
Discount rate	5.21%	5.55%
Other postretirement benefits | Foreign Plan
Weighted average assumptions used to determine benefit obligations, end of year:
Discount rate	4.70%	5.20%
Compensation increase	2.75%	2.75%
Other postretirement benefits | Switzerland
Weighted average assumptions used to determine benefit obligations, end of year:
Cash balance interest crediting rate	0.00%	0.00%