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Fair Value of Financial Instruments
9 Months Ended
Sep. 30, 2012
Fair Value of Financial Instruments [Abstract]  
Fair Value of Financial Instruments
Note 14. Fair Value of Financial Instruments

The fair values of our fixed rate long-term borrowings are calculated by using a discounted cash flow analysis factoring in current market borrowing rates for similar types of borrowing arrangements under our credit profile. The current market borrowing rates are Level 2 inputs under the U.S. GAAP fair value hierarchy. The carrying amounts and fair values of our long-term debt are in the table below:

 

                                 
    September 30, 2012     December 31, 2011  

(In Thousands of Dollars)

  Carrying
Amount
    Fair
Value
    Carrying
Amount
    Fair
Value
 
         

Variable rate long-term debt

  $ 43,612     $ 43,612     $ 40,989     $ 40,989  

Fixed rate long-term debt

  $ 31,429     $ 32,384     $ 37,143     $ 37,500