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Note 6 - Fair Value Measurements
9 Months Ended
Sep. 30, 2013
Fair Value Disclosures [Abstract]  
Fair Value Disclosures [Text Block]

6.     Fair Value Measurements


Our assets and liabilities measured at fair value are based on the market approach valuation technique, which considers prices and other relevant information generated by market transactions involving identical or comparable assets and liabilities.


At September 30, 2013, we had $11.8 million of trading investments measured at fair value, based on quoted market prices (Level 1). Trading investments are classified in other assets in our Condensed Consolidated Balance Sheets and are measured at fair value on a recurring basis.


The carrying amounts and estimated fair values using the income method (Level 2), based on their net present value, discounted at our current borrowing rate of our long-term debt at September 30, 2013, were as follows (in millions):


   

Carrying Value

   

Estimated Fair Value

 

Senior revolving line of credit

  $ 187.8     $ 187.8  

Senior term loan

  $ 150.0     $ 150.0  

Senior notes

  $ 349.7     $ 365.6  

The carrying amounts of all other instruments at September 30, 2013, approximate their fair value due to the short maturity of these instruments or their variable rate.