Inventories

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories are stated at the lower of cost (first-in, first-out) or net realizable value. Inventories consisted of the following, net of immaterial excess and obsolete reserves, at March 31, 2018 and December 31, 2017, respectively (in thousands):

	March 31, 2018		December 31, 2017
Raw materials	$	21,427	$	22,252
Work-in-process (materials, labor and overhead)	19,725		22,813
Finished goods (materials, labor and overhead)	16,809		22,013
Total inventories	$	57,961	$	67,078