Inventories (Tables)

9 Months Ended

Sep. 30, 2024

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following: 

	Sept. 30, 2024		Sept. 30, 2023		Dec. 31, 2023
	(Dollars in thousands)
Raw materials	$	400,916	$	460,137	$	465,375
Work-in-process	192,986		220,164		219,462
Finished goods	486,641		565,790		556,737
Other	17,282		17,234		16,616
	1,097,825		1,263,325		1,258,190
Adjustment to value inventory at cost on the LIFO method	(317,382)		(344,312)		(317,382)
	$	780,443	$	919,013	$	940,808