Inventories (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following:

	March 31, 2017		December 31, 2016
	(In thousands)
Raw materials and purchased components	$	179,932	$	173,035
Work-in-process	87,276		94,955
Total inventories	$	267,208	$	267,990