Pension and Other Postretirement Benefits - Change in Benefit Obligation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Plans
Change in benefit obligation:
Benefit obligation, beginning of year	$ (471,834)	$ (492,925)
Service cost	(3,491)	(3,953)	$ (3,930)
Interest cost	(9,248)	(7,512)	(9,729)
Participant contributions	(350)	(143)
Actuarial gain	123,851	19,778
Acquisitions and divestitures	(9,257)	(12,886)
Settlements	6,567	5,855
Other	0	0
Foreign currency exchange rate changes	33,316	7,226
Benefits paid	13,022	12,726
Benefit obligation, end of year	(317,424)	(471,834)	(492,925)
Other Plans
Change in benefit obligation:
Benefit obligation, beginning of year	(27,625)	(29,498)
Service cost	(24)	(33)	(33)
Interest cost	(761)	(727)	(809)
Participant contributions	(5)	(4)
Actuarial gain	5,690	1,391
Acquisitions and divestitures	0	0
Settlements	0	0
Other	(21)	0
Foreign currency exchange rate changes	1,409	(227)
Benefits paid	1,393	1,473
Benefit obligation, end of year	$ (19,944)	$ (27,625)	$ (29,498)