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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2013
Assets and Liabilities Carried at Fair Value Measured on a Recurring Basis

The following tables present our assets and liabilities carried at fair value that are measured on a recurring basis:

 

Description    Fair Value at
June  30,
2013
     Fair Value Measurements
at June 30, 2013 Using
 
      Level 1      Level 2      Level 3  

Assets:

           

Available-for-sale securities

   $ 223       $ 223         —          —    

Derivative financial instruments

   $ 1,331         —        $ 1,331         —    

 

 

Description

   Fair Value at
December 31,
2012
     Fair Value Measurements
at December 31, 2012 Using
 
      Level 1      Level 2      Level 3  

Assets:

           

Available-for-sale securities

   $ 226       $ 226         —          —    

Liabilities:

           

Derivative financial instruments

   $ 197         —        $ 197        —