Inventory (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory

The major classes of inventory were as follows:

Inventory	2014		2013
	(In thousands)
Raw materials	$	40,533	$	42,402
Work-in-progress	34,095		27,911
Finished goods	6,822		16,792
Total	$	81,450	$	87,105