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Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory, Net [Abstract]  
Components of Inventory
 September 30, 2020December 31, 2019
Raw materials$488,907 $467,912 
Work in progress168,143 162,670 
Finished goods298,925 280,051 
Subtotal955,975 910,633 
Less reserves(117,436)(104,492)
Total$838,539 $806,141