Accrued Liabilities (Schedule of Accrued Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Payables and Accruals [Abstract]
Salaries, wages and benefits	$ 57,253	$ 72,373
Contract liabilities	6,085	7,127
Returns and allowances	9,422	10,232
Dividends	8,431	8,111
Pension and postretirement	8,744	9,356
Operating and finance lease liabilities	7,607	7,335
Other tax	7,329	10,171
Contract loss reserve	10,524	2,721
Freight	3,256	1,979
Professional fees	5,539	3,912
Restructuring	4,996	0
Other	12,718	9,671
Total accrued liabilities	$ 141,904	$ 142,988