Inventories (Tables)

9 Months Ended

Oct. 01, 2016

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consisted of the following:

	(In thousands)
	October 1, 2016		December 31, 2015
Raw materials and supplies	$	68,688	$	61,840
Work in process	61,641		49,299
Finished goods	7,783		10,073
	138,112		121,212
Less progress payments	8,343		5,808
Total	$	129,769	$	115,404