Pensions and Other Benefit Programs (Components of Net Periodic Benefit Cost (Income)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Defined Benefit Pension Plans | United States
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 14	$ 64	$ 62	$ 195
Interest cost	11,072	10,353	33,354	31,842
Expected return on plan assets	(17,586)	(18,883)	(53,311)	(57,839)
Amortization of prior service (credit) cost	(11)	(15)	(33)	(45)
Amortization of net actuarial loss	8,317	9,366	24,781	28,643
Settlement	350	0	350	314
Net periodic benefit cost (income)	2,156	885	5,203	3,110
Contributions to benefit plans	2,103	1,161	4,401	4,020
Defined Benefit Pension Plans | Foreign
Defined Benefit Plan Disclosure [Line Items]
Service cost	291	346	978	1,055
Interest cost	3,270	2,961	10,354	8,929
Expected return on plan assets	(6,423)	(7,979)	(20,437)	(24,070)
Amortization of prior service (credit) cost	60	67	192	202
Amortization of net actuarial loss	1,625	2,340	5,172	7,065
Settlement	0	0	0	0
Net periodic benefit cost (income)	(1,177)	(2,265)	(3,741)	(6,819)
Contributions to benefit plans	348	355	8,961	9,379
Nonpension Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	191	232	549	682
Interest cost	884	891	2,763	2,816
Expected return on plan assets	0	0	0	0
Amortization of prior service (credit) cost	0	32	0	97
Amortization of net actuarial loss	(131)	913	44	3,068
Settlement	0	0	0	0
Net periodic benefit cost (income)	944	2,068	3,356	6,663
Contributions to benefit plans	$ 2,401	$ 2,642	$ 10,049	$ 9,542