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Other Expense, Other Income and Non-Operating Other Expense (Income), net (Tables)
 3 Months Ended
Mar. 31, 2013
Schedule of Other Expense, Other Income and Non-Operating Other Expense (Income), Net
     Three Months Ended  
     March 31,  
     2013     2012  
     (In Thousands)  

Other expense:

     

Dismantle and demolition expense (1)

    $ 1,188      $ —     

Miscellaneous penalties

      312        101   

Realized and unrealized losses on contractual obligations associated with carbon credits

      233        —     

Impairment on long-lived assets

      210        —     

Miscellaneous expense (2)

      87        66   
  

 

 

    

 

 

  

Total other expense

    $ 2,030      $ 167   
  

 

 

    

 

 

  

Other income:

     

Settlements of litigation and potential litigation (3)

    $ 545      $ —     

Realized and unrealized gains on carbon credits

      233        —     

Miscellaneous income (2)

      184        236   
  

 

 

    

 

 

  

Total other income

    $ 962      $ 236   
  

 

 

    

 

 

  

Non-operating other expense (income), net:

     

Interest income

    $ (8 )    $ (24 ) 

Miscellaneous expense (2)

      24        19   
  

 

 

    

 

 

  

Total non-operating other expense (income), net

    $ 16      $ (5 ) 
  

 

 

    

 

 

  

 

(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.