Inventories (Tables)

3 Months Ended

Mar. 28, 2020

Inventory Disclosure [Abstract]

Schedule of net components of inventories

The components of inventories are as follows:

	At March 28, 2020		At December 31, 2019
Finished goods	$	1,560,769	1,610,742
Work in process	136,581		144,639
Raw materials	498,084		526,947
Total inventories	$	2,195,434	2,282,328