REVENUE (Tables)

3 Months Ended

Mar. 31, 2018

Revenue Recognition [Abstract]

Disaggregation of Revenue

The following table presents the Corporation’s total net sales disaggregated by end market and customer type:

	Three Months Ended March 31,
Total Net Sales by End Market and Customer Type (In thousands)	2018		2017
Defense
Aerospace	$	75,941	$	65,293
Ground	22,011		19,737
Naval	102,782		90,970
Other	4,581		7,041
Total Defense Customers	$	205,315	$	183,041
Commercial
Aerospace	$	99,404	$	98,614
Power Generation	99,012		105,551
General Industrial	143,791		136,385
Total Commercial Customers	$	342,207	$	340,550
Total	$	547,522	$	523,591