Retirement Plans - Net Pension Expense Domestic and Foreign (Details) - Pension Plans - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net pension expense (income)
Total (income) expense, net	$ (2,076)	$ 107,447	$ (1,944)	$ 131,227
UNITED STATES
Net pension expense (income)
Service cost	0	0	0	0
Interest cost	5	385	15	2,856
Expected return on plan assets	(2,139)	429	(2,139)	(1,742)
Amortization of loss	8	377	24	3,694
Settlement charges	0	106,206	0	126,269
Total (income) expense, net	(2,126)	107,397	(2,100)	131,077
Foreign Plan
Net pension expense (income)
Service cost	6	6	18	18
Interest cost	4	4	12	12
Expected return on plan assets	(3)	(3)	(9)	(9)
Amortization of loss	43	43	135	129
Settlement charges	0	0	0	0
Total (income) expense, net	$ 50	$ 50	$ 156	$ 150