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Leases
12 Months Ended
Dec. 31, 2013
Leases [Abstract]  
Leases
9. 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, 2013 were as follows (in thousands):

 

Year Ending December 31,

      

2014

   $ 6,803   

2015

     6,289   

2016

     5,362   

2017

     5,343   

2018

     5,277   

Thereafter

     15,198   
  

 

 

 

Total minimum lease payments

   $ 44,272   
  

 

 

 

For the years ended December 31, 2013, 2012 and 2011, the Company recognized rental expenses of approximately $6.5 million, $7.5 million and $8.0 million, respectively.