Inventories (Tables)

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories consist of the following:

	At December 31,
	2015		2014
In thousands
Merchandise for resale	$	161,691	$	149,837
Raw materials	24,721		19,954
Contracts in process:
U.S. Government, net of progress payments of $28,812 and $8,590 in 2015 and 2014, respectively	88,345		106,036
Commercial and other government contracts	61,197		51,348
Other work in process (including certain general stock materials)	26,588		21,618
Finished goods	23,205		10,948
Total	$	385,747	$	359,741