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INVENTORY VALUATION
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
INVENTORY VALUATION INVENTORIES
Inventories in the Condensed Consolidated Balance Sheets are comprised of the following components:
September 30, 2020December 31, 2019
Raw materials$110,590 $116,716 
Work-in-process69,501 63,744 
Finished goods216,123 213,288 
Total$396,214 $393,748 
At September 30, 2020 and December 31, 2019, approximately 35% and 36%, respectively, of total inventories were valued using the last-in, first-out ("LIFO") method. The excess of current cost over LIFO cost was $76,204 and $75,292 at September 30, 2020 and December 31, 2019, respectively.