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Inventories
9 Months Ended
Sep. 28, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories

The components of inventories are as follows:
 
At September 28, 2019
 
At December 31, 2018
Finished goods
$
1,637,525

 
1,582,112

Work in process
150,089

 
165,616

Raw materials
550,338

 
539,887

Total inventories
$
2,337,952

 
2,287,615