Inventories

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following: 

	March 31, 2022		March 31, 2021		Dec. 31, 2021
	(Dollars in thousands)
Raw materials	$	295,713	$	263,580	$	394,102
Work-in-process	263,878		167,137		157,406
Finished goods	607,087		452,553		394,378
Other	14,787		14,955		15,731
	1,181,465		898,225		961,617
Adjustment to value inventory at cost on the LIFO method	(162,780)		(109,588)		(162,780)
	$	1,018,685	$	788,637	$	798,837