Inventories (Tables)

9 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consist of the following:

(In thousands)	September 30 2023		December 31 2022
Finished goods	$	16,050	$	11,809
Work-in-process	1,255		2,030
Raw materials and purchased parts	23,863		27,946
Stores and supplies	43,401		39,590
Total inventories	$	84,569	$	81,375