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INVENTORIES
3 Months Ended
Mar. 31, 2012
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
INVENTORIES

Inventories consisted of the following (amounts in thousands):
 
March 31,
2012
 
December 31,
2011
Raw material
$
101,312

 
$
97,257

Work-in-process
31,751

 
31,141

Finished goods
89,169

 
75,137

 
222,232

 
203,535

Adjustment to LIFO basis
(8,078
)
 
(12,663
)
 
$
214,154

 
$
190,872


 
At March 31, 2012, approximately 31% of the Company's inventories were valued under the last-in, first-out (LIFO) method. At December 31, 2011, approximately 30% 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. The LIFO reserve decreased primarily as a result of the composition of inventory. An overall increase in raw material relative to total inventory resulted in a greater decrease in the FIFO cost versus the LIFO cost.