Inventories

3 Months Ended

Mar. 31, 2024

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following: 

	March 31, 2024		March 31, 2023		Dec. 31, 2023
	(Dollars in thousands)
Raw materials	$	395,261	$	498,580	$	465,375
Work-in-process	209,296		254,373		219,462
Finished goods	652,724		630,233		556,737
Other	17,341		16,205		16,616
	1,274,622		1,399,391		1,258,190
Adjustment to value inventory at cost on the LIFO method	(317,382)		(344,312)		(317,382)
	$	957,240	$	1,055,079	$	940,808