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Inventories
9 Months Ended
Sep. 30, 2011
Inventory Disclosure [Abstract] 
Inventories
Inventories. Inventories are stated at the lower of cost or market.  Inventories at September 30, 2011 and December 31, 2010 consisted of the following (in thousands):

 
September 30,
2011
 
December 31,
2010
Finished goods
$
32,498

 
$
30,780

Work-in-process
10,104

 
7,012

Raw materials
23,955

 
22,805

 
 
 
 
Total
$
66,557

 
$
60,597