Inventories

9 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories

The components of inventories as of September 30, 2020 and December 31, 2019 were:

	September 30, 2020		December 31, 2019
Raw materials and component parts	$	187,244	$	182,382
Work in process	30,093		28,761
Finished goods	85,073		82,324
Total inventories	$	302,410	$	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.