Inventories

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories

The components of inventories as of March 31, 2020 and December 31, 2019 were:

	March 31, 2020		December 31, 2019
Raw materials and component parts	$	204,491	$	182,382
Work in process	42,021		28,761
Finished goods	94,069		82,324
Total inventories	$	340,581	$	293,467

Inventories are stated at the lower of cost or net realizable value. Cost, which includes material, labor and factory overhead, is determined on a first in, first out basis.