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GEOGRAPHIC INFORMATION
 12 Months Ended
Dec. 31, 2011
GEOGRAPHIC INFORMATION
10.           GEOGRAPHIC INFORMATION
 
Net sales and long-lived assets (property, plant and equipment and goodwill and intangible assets) by region were as follows (net sales are attributed to regions based on the locations of customers) (in thousands):
 
   
2011
    
2010
    
2009
  
   
Net Sales
    
Long-Lived Assets
    
Net Sales
    
Long-Lived Assets
    
Net Sales
    
Long-Lived Assets
  
North America
   $ 356,257     $ 42,147     $ 257,740     $ 42,838     $ 180,722     $ 40,896  
Foreign
     56,402       2,592       49,157       2,594       56,845       2,926  
    $ 412,659     $ 44,739     $ 306,897     $ 45,432     $ 237,567     $ 43,822