Pensions and Other Postretirement Benefit Plans (Schedule of (Gains)/Losses Recognized in Other Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax [Abstract]
Asset/liability loss/(gain)	$ 2,292	$ 2,259	$ (13,407)
Amortization of actuarial (loss)	(3,260)	(4,625)	(5,004)
Amortization of prior service cost/(credit)	4,497	4,475	4,474
Pension plans
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax [Abstract]
Settlements/curtailments	(49,128)	0	(411)
Asset/liability loss/(gain)	16,828	1,927	(8,053)
Amortization of actuarial (loss)	(1,377)	(2,365)	(2,412)
Amortization of prior service cost/(credit)	8	(13)	(14)
Other	0	0	(204)
Currency impact	(944)	(612)	670
Cost/(benefit) in Other comprehensive income	(34,613)	(1,063)	(10,424)
Other postretirement benefits
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax [Abstract]
Settlements/curtailments	0	0	0
Asset/liability loss/(gain)	(6,658)	(995)	(4,794)
Amortization of actuarial (loss)	(1,883)	(2,260)	(2,592)
Amortization of prior service cost/(credit)	3,884	4,488	4,488
Other	0	0	0
Currency impact	15	2	3
Cost/(benefit) in Other comprehensive income	$ (4,642)	$ 1,235	$ (2,895)