Inventories (Tables)

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consisted of the following:

	(In thousands) December 31,
	2015		2014
Raw materials and supplies	$	61,840	$	77,033
Work in process	49,299		61,458
Finished goods	10,073		14,116
	121,212		152,607
Less progress payments	5,808		9,765
Total	$	115,404	$	142,842