INVENTORIES (Tables)
 3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Components of Inventories
Inventories consisted of the following:
 
 
March 31,
2015
 
December 31,
2014
Raw materials and supplies
 
$
136,958

 
$
172,214

Work-in-process and finished goods
 
364,654

 
332,573

LIFO reserve
 
(25,893
)
 
(30,481
)
Total inventories, net
 
$
475,719

 
$
474,306