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INVENTORY VALUATION
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
INVENTORY VALUATION INVENTORIES
Inventories in the Condensed Consolidated Balance Sheets are comprised of the following components:
 
September 30, 2019
 
December 31, 2018
Raw materials
$
107,278

 
$
103,820

Work-in-process
69,671

 
53,950

Finished goods
234,171

 
204,059

Total
$
411,120

 
$
361,829


At September 30, 2019 and December 31, 2018, approximately 36% and 37%, respectively, of total inventories were valued using the last-in, first-out ("LIFO") method. The excess of current cost over LIFO cost was $77,112 and $79,626 at September 30, 2019 and December 31, 2018, respectively.