Inventories (Tables)

12 Months Ended

Dec. 31, 2022

Inventory Disclosure [Abstract]

Schedule of inventory

Inventories consist of the following:

	At December 31,
	2022		2021
In thousands
Raw materials	$	25,798	$	19,123
Contracts in process:
US Government	5,835		1,985
Commercial and other government contracts	85,436		61,637
Contracts and other work in process (including certain general stock materials)	19,338		75,115
Finished goods	40,061		35,240
Inventories	$	176,468	$	193,100