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Other Operating Expenses (Income), net
12 Months Ended
Dec. 31, 2012
Other Operating Expenses (Income), net [Abstract]  
Other Operating Expenses (Income), net
  9. Other Operating Expenses (Income), net

 

Other operating expenses (income), net consist of the following:

 

Year ended December 31,   2012     2011     2010  
                   
(Gain) loss on sale of operating assets   $ (27 )   $ (83 )   $ 22  
Frozen defined-benefit pension plan expense (income)     320       (236 )     398  
Total other operating expenses (income), net   $ 293     $ (319 )   $ 420