Inventories

9 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following: 

	Sept. 30, 2023		Sept. 30, 2022		Dec. 31, 2022
	(Dollars in thousands)
Raw materials	$	460,137	$	452,307	$	409,349
Work-in-process	220,164		231,036		218,691
Finished goods	565,790		542,044		469,212
Other	17,234		16,857		16,463
	1,263,325		1,242,244		1,113,715
Adjustment to value inventory at cost on the LIFO method	(344,312)		(391,174)		(344,312)
	$	919,013	$	851,070	$	769,403