Pension, Postretirement, and Other Benefit Plans (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Pension charges			$ 49,100	$ 49,100
Pension plans
Defined Benefit Plan Disclosure [Line Items]
Deferred compensation expense	$ 7,800	$ 7,300	6,600
Benefit obligation period increase (decrease)	(21,200)	74,600
Benefits paid	9,423	6,388
Foreign currency changes	8,572	(4,792)
Acquisition	0	64,947
Actuarial (gain)/loss	(3,868)	6,317
Profit sharing plan
Defined Benefit Plan Disclosure [Line Items]
Deferred compensation expense	2,400	4,900	$ 4,600
Other postretirement benefits
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation period increase (decrease)	(2,000)	(7,000)
Benefits paid	2,651	2,795
Foreign currency changes	71	(18)
Acquisition	0	0
Actuarial (gain)/loss	$ (709)	$ (6,131)
Minimum | Pension plans
Defined Benefit Plan Disclosure [Line Items]
Employer matching contribution, percent of match	50.00%
Maximum | Pension plans
Defined Benefit Plan Disclosure [Line Items]
Employer matching contribution, percent of match	100.00%