Inventories

9 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories are comprised of the following: 

	September 30, 2023		December 31, 2022
	(Dollars in thousands)
Inventories:
Raw materials and supplies	$	147,530	$	216,761
Work in process	188,620		192,821
Finished goods	42,820		38,159
Total	$	378,970	$	447,741