XML 26 R15.htm IDEA: XBRL DOCUMENT v3.10.0.1
INVENTORY VALUATION
9 Months Ended
Sep. 30, 2018
Inventory Disclosure [Abstract]  
INVENTORY VALUATION
INVENTORIES
Inventories in the Condensed Consolidated Balance Sheet is comprised of the following components:
 
September 30, 2018
 
December 31, 2017
Raw materials
$
104,421

 
$
97,577

Work-in-process
60,465

 
50,695

Finished goods
212,545

 
200,395

Total
$
377,431

 
$
348,667


At September 30, 2018 and December 31, 2017, approximately 37% and 32% of total inventories were valued using the last-in, first out ("LIFO") method, respectively. The excess of current cost over LIFO cost was $78,312 at September 30, 2018 and $68,641 at December 31, 2017.