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INVENTORY VALUATION | 9 Months Ended
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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.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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