Employee and Retiree Benefit Plans - Schedule of Plans' Benefit Obligations and Fair Value of Assets and Statement of Funded Status (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Change in plan assets
Beginning balance	$ 477,809
Ending balance	492,120	$ 477,809
Pension Benefits
Change in benefit obligation
Beginning balance	699,151	663,073
Service cost	7,042	6,542	$ 7,875
Interest cost	33,554	34,140	22,747
Participant contributions	0	0
Actuarial (gain) loss	(35,417)	26,625
Medicare Part D subsidy	0	0
Exchange rate changes	(3,263)	6,089
Benefits paid	(45,743)	(56,296)
Plan amendments	0	18,978
Ending balance	655,324	699,151	663,073
Change in plan assets
Beginning balance	477,809	450,944
Actual return on plan assets	27,317	39,953
Employer contributions	35,477	37,546
Participant contributions	0	0
Medicare Part D subsidy	0	0
Exchange rate changes	(2,740)	5,662
Benefits paid	(45,743)	(56,296)
Ending balance	492,120	477,809	450,944
Funded status and amounts recognized in the Consolidated Balance Sheets at December 31
Deferred charges and other assets	1,819	3,192
Other accrued liabilities	(10,617)	(10,219)
Deferred credits and other liabilities	(154,406)	(214,315)
Funded status and net plan liability recognized at December 31	(163,204)	(221,342)
Other Postretirement Benefits
Change in benefit obligation
Beginning balance	63,808	67,679
Service cost	436	495	968
Interest cost	2,923	3,241	2,211
Participant contributions	2,730	2,629
Actuarial (gain) loss	825	(5,567)
Medicare Part D subsidy	358	299
Exchange rate changes	(14)	2
Benefits paid	(16,072)	(4,970)
Plan amendments	0	0
Ending balance	54,994	63,808	67,679
Change in plan assets
Beginning balance	0	0
Actual return on plan assets	0	0
Employer contributions	12,984	2,042
Participant contributions	2,730	2,629
Medicare Part D subsidy	358	299
Exchange rate changes	0	0
Benefits paid	(16,072)	(4,970)
Ending balance	0	0	$ 0
Funded status and amounts recognized in the Consolidated Balance Sheets at December 31
Deferred charges and other assets	0	0
Other accrued liabilities	(4,237)	(4,433)
Deferred credits and other liabilities	(50,757)	(59,375)
Funded status and net plan liability recognized at December 31	$ (54,994)	$ (63,808)