Inventories:

3 Months Ended

Mar. 31, 2023

Inventory Disclosure [Abstract]

Inventories [Text Block]

Inventories

    Inventories are stated at the lower of cost or net realizable value with cost determined using the first-in, first-out method. Inventory costs include material, labor and overhead related to the manufacturing of our products.

Inventories consist of the following (in thousands): 

	As of
	March 31, 2023		December 31, 2022
Raw materials	$	317,340	$	286,964
Work in process	73,708		73,795
Finished goods	356,917		335,250
Total inventories	$	747,965	$	696,009