Accumulated Other Comprehensive Income (Loss) (Components of OCI) (Details 1) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before tax		$ 12,690	$ (25,654)
Other Comprehensive Income (Loss), income tax		406	3,162
Other Comprehensive Income (Loss), Net of Tax		13,096	(22,492)
Foreign Currency Translation Adjustment [Member]
Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		14,267
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		0
Other Comprehensive Income (Loss), before tax		14,267	(13,284)
Other Comprehensive Income (Loss), income tax		0	0
Other Comprehensive Income (Loss), Net of Tax		14,267	(13,284)
Pension and Other Postretirement Plans [Member]
Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		0
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax		(898)	(13,481)
Reclassification from AOCI, Current Period, Tax		230	3,451
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		(668)	(10,030)
Other Comprehensive Income (Loss), before tax		(898)	(13,481)
Other Comprehensive Income (Loss), income tax		230	3,451
Other Comprehensive Income (Loss), Net of Tax		(668)	(10,030)
Net Prior Service Credit [Member]
Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	[1]	(519)	(494)
Reclassification from AOCI, Current Period, Tax		133	126
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		(386)	(368)
Net Actuarial Gain [Member]
Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	[1]	(379)	(12,987)
Reclassification from AOCI, Current Period, Tax		97	3,325
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		(282)	(9,662)
Cash Flow Hedges [Member]
Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax		(563)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		60
Other Comprehensive Income (Loss), before tax		(679)	1,111
Other Comprehensive Income (Loss), income tax		176	(289)
Other Comprehensive Income (Loss), Net of Tax		$ (503)	$ 822

[1] These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension and postretirement plan cost (see Note 11) and are included in non-operating pension and postretirement benefit income in the Company’s Condensed Consolidated Statements of Operations.