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Leases
12 Months Ended
Dec. 31, 2011
Leases [Abstract]  
Leases
10. LEASES

The Company leases office space, storage warehouses and certain office and plant equipment under various operating leases. Minimum annual payments under these non-cancelable leases as of December 31, 2011 were as follows (in thousands):

 

Year Ending December 31,

      

2012

   $ 7,562   

2013

     5,581   

2014

     5,193   

2015

     4,599   

2016

     2,546   

Thereafter

     7,191   
  

 

 

 

Total minimum lease payments

   $ 32,672   
  

 

 

 

For the years ended December 31, 2011, 2010 and 2009, the Company recognized rental expenses of approximately $8.0 million, $8.4 million and $8.4 million, respectively.