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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2013
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
Inventories consisted of the following (amounts in thousands):
 
March 31,
2013
 
December 31,
2012
Raw material
$
140,528

 
$
153,308

Work-in-process
62,342

 
69,030

Finished goods
181,521

 
154,785

 
384,391

 
377,123

Adjustment to LIFO basis
(6,024
)
 
(10,738
)
 
$
378,367

 
$
366,385