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INVENTORIES
3 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
INVENTORIES

Inventories consisted of the following (amounts in thousands):
 
March 31,
2014
 
December 31,
2013
Raw material
$
134,140

 
$
130,403

Work-in-process
53,465

 
54,190

Finished goods
214,530

 
208,821

 
402,135

 
393,414

Adjustment to LIFO basis
(7,585
)
 
(8,494
)
 
$
394,550

 
$
384,920


 
At March 31, 2014, approximately 13% of the Company's inventories were valued under the last-in, first-out (LIFO) method. At December 31, 2013, approximately 12% of the Company's inventories were valued under the LIFO method. The remaining inventories were valued under the first-in, first-out (FIFO) method or average cost method. All inventories are valued at lower of cost or market.