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Other Expense, Other Income and Non-Operating Other Expense (Income), net (Tables)
 6 Months Ended
Jun. 30, 2013
Other Income And Expenses [Abstract]  
Schedule of Other Expense, Other Income and Non-Operating Other Expense (Income), Net
     Six Months Ended     Three Months Ended  
     June 30,     June 30,  
     2013     2012     2013     2012  
           (In Thousands)        

Other expense:

         

Dismantle and demolition expense (1)

    $ 2,100      $ —        $ 912      $ —     

Miscellaneous penalties

      796        —          484        —     

Realized and unrealized losses on contractual obligations associated with carbon credits

      546        —          313        —     

Impairment on long-lived assets

      210        —          —          —     

Losses on sales and disposals of property and equipment

      —          551        (50 )      536   

Miscellaneous expense (2)

      104        171        67        19   
  

 

 

    

 

 

    

 

 

    

 

 

  

Total other expense

    $ 3,756      $ 722      $ 1,726      $ 555   
  

 

 

    

 

 

    

 

 

    

 

 

  

Other income:

         

Realized and unrealized gains on carbon credits

    $ 546      $ —        $ 313      $ —     

Settlements of litigation and potential litigation (3)

      545        —          —          —     

Gains on sales and disposals of property and equipment

      179        —          179        —     

Miscellaneous income (2)

      275        348        91        112   
  

 

 

    

 

 

    

 

 

    

 

 

  

Total other income

    $ 1,545      $ 348      $ 583      $ 112   
  

 

 

    

 

 

    

 

 

    

 

 

  

Non-operating other expense (income), net:

         

Interest income

    $ (12 )    $ (48 )    $ (4 )    $ (24 ) 

Miscellaneous income (2)

      —          (263 )      —          (263 ) 

Miscellaneous expense (2)

      36        39        12        20   
  

 

 

    

 

 

    

 

 

    

 

 

  

Total non-operating other expense (income), net

    $ 24      $ (272 )    $ 8      $ (267 ) 
  

 

 

    

 

 

    

 

 

    

 

 

  

 

(1) Amount relates to the dismantling and demolition of certain plant and equipment at our chemical facilities.
(2) Amounts represent numerous unrelated transactions, none of which are individually significant requiring separate disclosure.
(3) Amount relates primarily to a settlement reached associated with a class action insurance brokerage antitrust litigation.