Pensions and Other Benefit Programs (Components of Net Periodic Benefit Cost (Income)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Defined Benefit Pension Plans | United States
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 10	$ 24
Interest cost	16,089	11,141
Expected return on plan assets	(21,613)	(17,863)
Amortization of prior service (credit) cost	(5)	(11)
Amortization of net actuarial loss (gain)	4,417	8,232
Net periodic benefit (income) cost	(1,102)	1,523
Contributions to benefit plans	1,127	1,138
Defined Benefit Pension Plans | Foreign
Defined Benefit Plan Disclosure [Line Items]
Service cost	194	355
Interest cost	5,222	3,634
Expected return on plan assets	(7,344)	(7,205)
Amortization of prior service (credit) cost	70	68
Amortization of net actuarial loss (gain)	505	1,821
Net periodic benefit (income) cost	(1,353)	(1,327)
Contributions to benefit plans	15,033	8,221
Nonpension Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	89	179
Interest cost	1,305	940
Expected return on plan assets	0	0
Amortization of prior service (credit) cost	0	0
Amortization of net actuarial loss (gain)	(356)	87
Net periodic benefit (income) cost	1,038	1,206
Contributions to benefit plans	$ 3,778	$ 4,158